diff --git a/.github/workflows/bindings-wasm-publish.yml b/.github/workflows/bindings-wasm-publish.yml
index c2552a6630..8640c86540 100644
--- a/.github/workflows/bindings-wasm-publish.yml
+++ b/.github/workflows/bindings-wasm-publish.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Install wasm-bindgen-cli
         uses: jetli/wasm-bindgen-action@v0.2.0
         with:
-          version: "0.2.87"
+          version: "0.2.89"
 
       - name: Set up Node.js
         uses: actions/setup-node@v3
diff --git a/.github/workflows/bindings-wasm.yml b/.github/workflows/bindings-wasm.yml
index 21eaa69f36..29df4e78c4 100644
--- a/.github/workflows/bindings-wasm.yml
+++ b/.github/workflows/bindings-wasm.yml
@@ -65,7 +65,7 @@ jobs:
       - name: Install wasm-bindgen-cli
         uses: jetli/wasm-bindgen-action@v0.2.0
         with:
-          version: "0.2.88"
+          version: "0.2.89"
 
       - name: Set Up Node.js ${{ matrix.node }} and Yarn Cache
         uses: actions/setup-node@v3
diff --git a/Cargo.lock b/Cargo.lock
index bb6bc95aea..c1f2a11221 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2220,7 +2220,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "858971e010057f7bcae183e545085b83d41280ca8abe0333613a7135fbb54430"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 1.3.1",
  "proc-macro-error",
  "proc-macro2",
  "quote",
@@ -2229,9 +2229,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec"
-version = "3.6.5"
+version = "3.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0dec8a8073036902368c2cdc0387e85ff9a37054d7e7c98e592145e0c92cd4fb"
+checksum = "881331e34fa842a2fb61cc2db9643a8fedc615e47cfcc52597d1af0db9a7e8fe"
 dependencies = [
  "arrayvec",
  "bitvec",
@@ -2243,11 +2243,11 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec-derive"
-version = "3.6.5"
+version = "3.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "312270ee71e1cd70289dacf597cab7b207aa107d2f28191c2ae45b2ece18a260"
+checksum = "be30eaf4b0a9fba5336683b38de57bb86d179a35862ba6bfcf57625d006bde5b"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 2.0.0",
  "proc-macro2",
  "quote",
  "syn 1.0.109",
@@ -2419,7 +2419,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f4c021e1093a56626774e81216a4ce732a735e5bad4868a03f3ed65ca0c3919"
 dependencies = [
  "once_cell",
- "toml_edit",
+ "toml_edit 0.19.15",
+]
+
+[[package]]
+name = "proc-macro-crate"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e8366a6159044a37876a2b9817124296703c586a5c92e2c53751fa06d8d43e8"
+dependencies = [
+ "toml_edit 0.20.7",
 ]
 
 [[package]]
@@ -3362,6 +3371,17 @@ dependencies = [
  "winnow",
 ]
 
+[[package]]
+name = "toml_edit"
+version = "0.20.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70f427fce4d84c72b5b732388bf4a9f4531b53f74e2887e3ecb2481f68f66d81"
+dependencies = [
+ "indexmap",
+ "toml_datetime",
+ "winnow",
+]
+
 [[package]]
 name = "tower-service"
 version = "0.3.2"
@@ -4016,18 +4036,18 @@ checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"
 
 [[package]]
 name = "zerocopy"
-version = "0.7.26"
+version = "0.7.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e97e415490559a91254a2979b4829267a57d2fcd741a98eee8b722fb57289aa0"
+checksum = "f43de342578a3a14a9314a2dab1942cbfcbe5686e1f91acdc513058063eafe18"
 dependencies = [
  "zerocopy-derive",
 ]
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.7.26"
+version = "0.7.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd7e48ccf166952882ca8bd778a43502c64f33bf94c12ebe2a7f08e5a0f6689f"
+checksum = "e1012d89e3acb79fad7a799ce96866cfb8098b74638465ea1b1533d35900ca90"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/bindings/core/Cargo.toml b/bindings/core/Cargo.toml
index e9db452142..ebee17c2d2 100644
--- a/bindings/core/Cargo.toml
+++ b/bindings/core/Cargo.toml
@@ -26,12 +26,12 @@ log = { version = "0.4.20", default-features = false }
 packable = { version = "0.10.0", default-features = false }
 prefix-hex = { version = "0.7.1", default-features = false }
 primitive-types = { version = "0.12.2", default-features = false }
-serde = { version = "1.0.190", default-features = false }
-serde_json = { version = "1.0.107", default-features = false }
+serde = { version = "1.0.193", default-features = false }
+serde_json = { version = "1.0.108", default-features = false }
 thiserror = { version = "1.0.50", default-features = false }
-tokio = { version = "1.33.0", default-features = false }
+tokio = { version = "1.34.0", default-features = false }
 url = { version = "2.4.1", default-features = false, features = ["serde"] }
-zeroize = { version = "1.6.0", default-features = false }
+zeroize = { version = "1.7.0", default-features = false }
 
 [dev-dependencies]
 pretty_assertions = { version = "1.4.0", default-features = false, features = [
diff --git a/bindings/nodejs/Cargo.toml b/bindings/nodejs/Cargo.toml
index cf4f515cb1..5b1a72bdf8 100644
--- a/bindings/nodejs/Cargo.toml
+++ b/bindings/nodejs/Cargo.toml
@@ -33,9 +33,9 @@ log = { version = "0.4.20", default-features = false }
 napi = { version = "2.13.3", default-features = false, features = ["async"] }
 napi-derive = { version = "2.13.0", default-features = false }
 once_cell = { version = "1.18.0", default-features = false }
-serde_json = { version = "1.0.107", default-features = false }
+serde_json = { version = "1.0.108", default-features = false }
 thiserror = { version = "1.0.49", default-features = false }
-tokio = { version = "1.33.0", default-features = false }
+tokio = { version = "1.34.0", default-features = false }
 
 [build-dependencies]
 napi-build = { version = "2.0.1", default-features = false }
diff --git a/bindings/python/Cargo.toml b/bindings/python/Cargo.toml
index eae8434b01..457fad6ca7 100644
--- a/bindings/python/Cargo.toml
+++ b/bindings/python/Cargo.toml
@@ -33,5 +33,5 @@ pyo3 = { version = "0.20.0", default-features = false, features = [
     "macros",
     "extension-module",
 ] }
-serde_json = { version = "1.0.107", default-features = false }
-tokio = { version = "1.33.0", default-features = false }
+serde_json = { version = "1.0.108", default-features = false }
+tokio = { version = "1.34.0", default-features = false }
diff --git a/bindings/wasm/Cargo.toml b/bindings/wasm/Cargo.toml
index d3d7bffccf..70d292358f 100644
--- a/bindings/wasm/Cargo.toml
+++ b/bindings/wasm/Cargo.toml
@@ -24,20 +24,20 @@ iota-sdk-bindings-core = { path = "../core", default-features = false, features
 ] }
 
 console_error_panic_hook = { version = "0.1.7", default-features = false }
-js-sys = { version = "0.3.64", default-features = false, features = [] }
+js-sys = { version = "0.3.66", default-features = false, features = [] }
 log = { version = "0.4.20", default-features = false }
-serde_json = { version = "1.0.107", default-features = false }
-tokio = { version = "1.33.0", default-features = false, features = ["sync"] }
-wasm-bindgen = { version = "0.2.88", default-features = false, features = [
+serde_json = { version = "1.0.108", default-features = false }
+tokio = { version = "1.34.0", default-features = false, features = ["sync"] }
+wasm-bindgen = { version = "0.2.89", default-features = false, features = [
     "spans",
     "std",
     "serde-serialize",
 ] }
-wasm-bindgen-futures = { version = "0.4.37", default-features = false }
+wasm-bindgen-futures = { version = "0.4.39", default-features = false }
 wasm-logger = { version = "0.2.0", default-features = false }
 
 [target.'cfg(all(target_arch = "wasm32", not(target_os = "wasi")))'.dependencies]
-getrandom = { version = "0.2.10", default-features = false, features = ["js"] }
+getrandom = { version = "0.2.11", default-features = false, features = ["js"] }
 instant = { version = "0.1.12", default-features = false, features = [
     "wasm-bindgen",
 ] }
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index bc45142d0e..2d24c2e70e 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -25,7 +25,7 @@ iota-sdk = { path = "../sdk", default-features = false, features = [
 ] }
 
 chrono = { version = "0.4.31", default-features = false, features = ["std"] }
-clap = { version = "4.4.7", default-features = false, features = [
+clap = { version = "4.4.10", default-features = false, features = [
     "std",
     "color",
     "help",
@@ -44,10 +44,10 @@ fern-logger = { version = "0.5.0", default-features = false }
 log = { version = "0.4.20", default-features = false }
 prefix-hex = { version = "0.7.1", default-features = false, features = ["std"] }
 rustyline = { version = "12.0.0", features = ["derive"] }
-serde_json = { version = "1.0.107", default-features = false }
+serde_json = { version = "1.0.108", default-features = false }
 thiserror = { version = "1.0.50", default-features = false }
-tokio = { version = "1.33.0", default-features = false, features = ["fs"] }
-zeroize = { version = "1.6.0", default-features = false }
+tokio = { version = "1.34.0", default-features = false, features = ["fs"] }
+zeroize = { version = "1.7.0", default-features = false }
 
 [target.'cfg(target_os = "windows")'.dependencies]
 winapi = { version = "0.3.9", default-features = false }
diff --git a/sdk/CHANGELOG.md b/sdk/CHANGELOG.md
index 4b1fbe3df7..49e228b612 100644
--- a/sdk/CHANGELOG.md
+++ b/sdk/CHANGELOG.md
@@ -29,6 +29,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Display of `WalletError::InsufficientFunds`;
 
+### Fixed
+
+- `needs_blind_signing()` for non Ed25519 addresses;
+
 ## 1.1.2 - 2023-10-26
 
 ### Added
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index 66a0d10918..e9bb13942f 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -34,7 +34,7 @@ derive_more = { version = "0.99.17", default-features = false, features = [
 ] }
 derive_setters = { version = "0.1.6", default-features = false }
 getset = { version = "0.1.2", default-features = false }
-hashbrown = { version = "0.14.2", default-features = false, features = [
+hashbrown = { version = "0.14.3", default-features = false, features = [
     "ahash",
     "inline-more",
 ] }
@@ -53,8 +53,8 @@ prefix-hex = { version = "0.7.1", default-features = false, features = [
     "primitive-types",
 ] }
 primitive-types = { version = "0.12.2", default-features = false }
-serde = { version = "1.0.190", default-features = false, features = ["derive"] }
-serde_json = { version = "1.0.107", default-features = false, features = [
+serde = { version = "1.0.193", default-features = false, features = ["derive"] }
+serde_json = { version = "1.0.108", default-features = false, features = [
     "alloc",
 ] }
 
@@ -86,21 +86,21 @@ rocksdb = { version = "0.21.0", default-features = false, features = [
 rumqttc = { version = "0.23.0", default-features = false, features = [
     "websocket",
 ], optional = true }
-serde_repr = { version = "0.1.16", default-features = false, optional = true }
+serde_repr = { version = "0.1.17", default-features = false, optional = true }
 thiserror = { version = "1.0.50", default-features = false, optional = true }
 time = { version = "0.3.30", default-features = false, features = [
     "serde",
     "macros",
 ], optional = true }
-url = { version = "2.4.1", default-features = false, features = [
+url = { version = "2.5.0", default-features = false, features = [
     "serde",
 ], optional = true }
-zeroize = { version = "1.6.0", default-features = false, features = [
+zeroize = { version = "1.7.0", default-features = false, features = [
     "zeroize_derive",
 ], optional = true }
 
 [target.'cfg(not(target_family = "wasm"))'.dependencies]
-tokio = { version = "1.33.0", default-features = false, features = [
+tokio = { version = "1.34.0", default-features = false, features = [
     "macros",
     "rt-multi-thread",
     "time",
@@ -116,13 +116,13 @@ instant = { version = "0.1.12", default-features = false, features = [
     "wasm-bindgen",
 ], optional = true }
 lazy_static = { version = "1.4.0", default-features = false }
-tokio = { version = "1.33.0", default-features = false, features = [
+tokio = { version = "1.34.0", default-features = false, features = [
     "macros",
     "rt",
     "time",
     "sync",
 ], optional = true }
-wasm-bindgen-futures = { version = "0.4.37", default-features = false, optional = true }
+wasm-bindgen-futures = { version = "0.4.39", default-features = false, optional = true }
 
 [dev-dependencies]
 iota-sdk = { path = ".", default-features = false, features = ["rand"] }
@@ -134,7 +134,7 @@ dotenvy = { version = "0.15.7", default-features = false }
 fern-logger = { version = "0.5.0", default-features = false }
 num_cpus = { version = "1.16.0", default-features = false }
 once_cell = { version = "1.18.0", default-features = false }
-tokio = { version = "1.33.0", default-features = false, features = [
+tokio = { version = "1.34.0", default-features = false, features = [
     "macros",
     "rt",
     "rt-multi-thread",
diff --git a/sdk/examples/client/01_generate_addresses.rs b/sdk/examples/client/01_generate_addresses.rs
index 2b70abd286..f4295576a6 100644
--- a/sdk/examples/client/01_generate_addresses.rs
+++ b/sdk/examples/client/01_generate_addresses.rs
@@ -19,6 +19,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "MNEMONIC"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Create a node client.
     let client = Client::builder()
         .with_node(&std::env::var("NODE_URL").unwrap())?
diff --git a/sdk/examples/client/02_address_balance.rs b/sdk/examples/client/02_address_balance.rs
index edea187d1a..04019f6735 100644
--- a/sdk/examples/client/02_address_balance.rs
+++ b/sdk/examples/client/02_address_balance.rs
@@ -22,6 +22,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "MNEMONIC"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Create a node client.
     let client = Client::builder()
         .with_node(&std::env::var("NODE_URL").unwrap())?
diff --git a/sdk/examples/client/block/00_block_no_payload.rs b/sdk/examples/client/block/00_block_no_payload.rs
index 0f4b1dbc19..4958adf17b 100644
--- a/sdk/examples/client/block/00_block_no_payload.rs
+++ b/sdk/examples/client/block/00_block_no_payload.rs
@@ -23,6 +23,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let node_url = std::env::var("NODE_URL").unwrap();
     let issuer_id = std::env::var("ISSUER_ID").unwrap().parse::<AccountId>().unwrap();
 
diff --git a/sdk/examples/client/block/01_block_confirmation_time.rs b/sdk/examples/client/block/01_block_confirmation_time.rs
index 6267f7ed18..ca3c644c35 100644
--- a/sdk/examples/client/block/01_block_confirmation_time.rs
+++ b/sdk/examples/client/block/01_block_confirmation_time.rs
@@ -23,6 +23,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let node_url = std::env::var("NODE_URL").unwrap();
     let issuer_id = std::env::var("ISSUER_ID").unwrap().parse::<AccountId>().unwrap();
 
diff --git a/sdk/examples/client/block/02_block_custom_parents.rs b/sdk/examples/client/block/02_block_custom_parents.rs
index 9a12661d38..4eca20cc59 100644
--- a/sdk/examples/client/block/02_block_custom_parents.rs
+++ b/sdk/examples/client/block/02_block_custom_parents.rs
@@ -23,6 +23,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let node_url = std::env::var("NODE_URL").unwrap();
     let issuer_id = std::env::var("ISSUER_ID").unwrap().parse::<AccountId>().unwrap();
 
diff --git a/sdk/examples/client/block/03_block_custom_payload.rs b/sdk/examples/client/block/03_block_custom_payload.rs
index baa4883666..a57f83e564 100644
--- a/sdk/examples/client/block/03_block_custom_payload.rs
+++ b/sdk/examples/client/block/03_block_custom_payload.rs
@@ -26,6 +26,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let node_url = std::env::var("NODE_URL").unwrap();
     let issuer_id = std::env::var("ISSUER_ID").unwrap().parse::<AccountId>().unwrap();
 
diff --git a/sdk/examples/client/block/04_block_tagged_data.rs b/sdk/examples/client/block/04_block_tagged_data.rs
index 12ade65585..0ff222b84e 100644
--- a/sdk/examples/client/block/04_block_tagged_data.rs
+++ b/sdk/examples/client/block/04_block_tagged_data.rs
@@ -26,6 +26,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let node_url = std::env::var("NODE_URL").unwrap();
     let issuer_id = std::env::var("ISSUER_ID").unwrap().parse::<AccountId>().unwrap();
 
diff --git a/sdk/examples/client/get_block.rs b/sdk/examples/client/get_block.rs
index 6805bc42a0..a75cfd7764 100644
--- a/sdk/examples/client/get_block.rs
+++ b/sdk/examples/client/get_block.rs
@@ -15,6 +15,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["NODE_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Create a node client.
     let client = Client::builder()
         .with_node(&std::env::var("NODE_URL").unwrap())?
diff --git a/sdk/examples/client/high_level/consolidation.rs b/sdk/examples/client/high_level/consolidation.rs
index 6fb4002c59..ef4de78fe5 100644
--- a/sdk/examples/client/high_level/consolidation.rs
+++ b/sdk/examples/client/high_level/consolidation.rs
@@ -15,6 +15,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "EXPLORER_URL", "MNEMONIC"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let address_range_start = std::env::args().nth(1).map(|s| s.parse::<u32>().unwrap()).unwrap_or(0);
     let address_range_len = std::env::args().nth(2).map(|s| s.parse::<u32>().unwrap()).unwrap_or(10);
 
diff --git a/sdk/examples/client/high_level/inputs_from_transaction_id.rs b/sdk/examples/client/high_level/inputs_from_transaction_id.rs
index 1b8f1072c2..a48e7a1e7a 100644
--- a/sdk/examples/client/high_level/inputs_from_transaction_id.rs
+++ b/sdk/examples/client/high_level/inputs_from_transaction_id.rs
@@ -20,6 +20,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["NODE_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let node_url = std::env::var("NODE_URL").unwrap();
 
     // Create a node client.
diff --git a/sdk/examples/client/high_level/search_address.rs b/sdk/examples/client/high_level/search_address.rs
index a20ad6c4b4..f0809142d4 100644
--- a/sdk/examples/client/high_level/search_address.rs
+++ b/sdk/examples/client/high_level/search_address.rs
@@ -20,6 +20,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "MNEMONIC"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let node_url = std::env::var("NODE_URL").unwrap();
 
     // Create a node client.
diff --git a/sdk/examples/client/ledger_nano_transaction.rs b/sdk/examples/client/ledger_nano_transaction.rs
index 150e3171af..63032331fc 100644
--- a/sdk/examples/client/ledger_nano_transaction.rs
+++ b/sdk/examples/client/ledger_nano_transaction.rs
@@ -30,6 +30,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Create a client instance
     let client = Client::builder()
         .with_node(&std::env::var("NODE_URL").unwrap())?
diff --git a/sdk/examples/client/logger.rs b/sdk/examples/client/logger.rs
index e261e335aa..fc860e6f4b 100644
--- a/sdk/examples/client/logger.rs
+++ b/sdk/examples/client/logger.rs
@@ -15,6 +15,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["NODE_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Generates a client.log file with logs for debugging.
     // We exclude logs from h2, hyper and rustls to reduce the noise.
     let logger_output_config = fern_logger::LoggerOutputConfigBuilder::new()
diff --git a/sdk/examples/client/node_api_core/01_get_routes.rs b/sdk/examples/client/node_api_core/01_get_routes.rs
index 74c8b672d1..f8e8dfb614 100644
--- a/sdk/examples/client/node_api_core/01_get_routes.rs
+++ b/sdk/examples/client/node_api_core/01_get_routes.rs
@@ -14,11 +14,10 @@ use iota_sdk::client::{Client, Result};
 async fn main() -> Result<()> {
     // If not provided we use the default node from the `.env` file.
     dotenvy::dotenv().ok();
-
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(1)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder()
diff --git a/sdk/examples/client/node_api_core/03_get_issuance.rs b/sdk/examples/client/node_api_core/03_get_issuance.rs
index c6f5ebf361..7519bb7f9f 100644
--- a/sdk/examples/client/node_api_core/03_get_issuance.rs
+++ b/sdk/examples/client/node_api_core/03_get_issuance.rs
@@ -19,7 +19,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(1)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder().with_node(&node_url)?.finish().await?;
diff --git a/sdk/examples/client/node_api_core/04_post_block.rs b/sdk/examples/client/node_api_core/04_post_block.rs
index 7481535227..9bec68322e 100644
--- a/sdk/examples/client/node_api_core/04_post_block.rs
+++ b/sdk/examples/client/node_api_core/04_post_block.rs
@@ -23,6 +23,11 @@ async fn main() -> Result<()> {
     // If not provided we use the default node from the `.env` file.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["NODE_URL", "MNEMONIC", "ISSUER_ID", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(1)
diff --git a/sdk/examples/client/node_api_core/05_post_block_raw.rs b/sdk/examples/client/node_api_core/05_post_block_raw.rs
index 608ff4fcaf..3e3e5fc365 100644
--- a/sdk/examples/client/node_api_core/05_post_block_raw.rs
+++ b/sdk/examples/client/node_api_core/05_post_block_raw.rs
@@ -23,6 +23,11 @@ async fn main() -> Result<()> {
     // If not provided we use the default node from the `.env` file.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["NODE_URL", "MNEMONIC", "ISSUER_ID", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(1)
diff --git a/sdk/examples/client/node_api_core/06_get_block.rs b/sdk/examples/client/node_api_core/06_get_block.rs
index e5462cdfe1..99898c6fa8 100644
--- a/sdk/examples/client/node_api_core/06_get_block.rs
+++ b/sdk/examples/client/node_api_core/06_get_block.rs
@@ -18,7 +18,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder().with_node(&node_url)?.finish().await?;
diff --git a/sdk/examples/client/node_api_core/07_get_block_raw.rs b/sdk/examples/client/node_api_core/07_get_block_raw.rs
index 06cdb557dd..3ac1d8f3d7 100644
--- a/sdk/examples/client/node_api_core/07_get_block_raw.rs
+++ b/sdk/examples/client/node_api_core/07_get_block_raw.rs
@@ -18,7 +18,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder().with_node(&node_url)?.finish().await?;
diff --git a/sdk/examples/client/node_api_core/08_get_block_metadata.rs b/sdk/examples/client/node_api_core/08_get_block_metadata.rs
index a337fdb7f3..23085c13de 100644
--- a/sdk/examples/client/node_api_core/08_get_block_metadata.rs
+++ b/sdk/examples/client/node_api_core/08_get_block_metadata.rs
@@ -18,7 +18,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder().with_node(&node_url)?.finish().await?;
diff --git a/sdk/examples/client/node_api_core/09_get_output.rs b/sdk/examples/client/node_api_core/09_get_output.rs
index 09f280d32c..08a8bf2b41 100644
--- a/sdk/examples/client/node_api_core/09_get_output.rs
+++ b/sdk/examples/client/node_api_core/09_get_output.rs
@@ -23,7 +23,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder().with_node(&node_url)?.finish().await?;
diff --git a/sdk/examples/client/node_api_core/10_get_output_raw.rs b/sdk/examples/client/node_api_core/10_get_output_raw.rs
index 4a58aa126c..56787884bf 100644
--- a/sdk/examples/client/node_api_core/10_get_output_raw.rs
+++ b/sdk/examples/client/node_api_core/10_get_output_raw.rs
@@ -23,7 +23,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder().with_node(&node_url)?.finish().await?;
diff --git a/sdk/examples/client/node_api_core/11_get_output_metadata.rs b/sdk/examples/client/node_api_core/11_get_output_metadata.rs
index 6ca679e753..9f3660ea71 100644
--- a/sdk/examples/client/node_api_core/11_get_output_metadata.rs
+++ b/sdk/examples/client/node_api_core/11_get_output_metadata.rs
@@ -23,7 +23,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder().with_node(&node_url)?.finish().await?;
diff --git a/sdk/examples/client/node_api_indexer/01_get_account_output.rs b/sdk/examples/client/node_api_indexer/01_get_account_output.rs
index 79bcd484da..2932a6e018 100644
--- a/sdk/examples/client/node_api_indexer/01_get_account_output.rs
+++ b/sdk/examples/client/node_api_indexer/01_get_account_output.rs
@@ -24,7 +24,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder().with_node(&node_url)?.finish().await?;
diff --git a/sdk/examples/client/node_api_indexer/02_get_account_outputs.rs b/sdk/examples/client/node_api_indexer/02_get_account_outputs.rs
index a66e1beb2c..86cae612d3 100644
--- a/sdk/examples/client/node_api_indexer/02_get_account_outputs.rs
+++ b/sdk/examples/client/node_api_indexer/02_get_account_outputs.rs
@@ -24,7 +24,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder()
diff --git a/sdk/examples/client/node_api_indexer/03_get_foundry_output.rs b/sdk/examples/client/node_api_indexer/03_get_foundry_output.rs
index e89f490d16..5e8a040fab 100644
--- a/sdk/examples/client/node_api_indexer/03_get_foundry_output.rs
+++ b/sdk/examples/client/node_api_indexer/03_get_foundry_output.rs
@@ -24,7 +24,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder().with_node(&node_url)?.finish().await?;
diff --git a/sdk/examples/client/node_api_indexer/04_get_foundry_outputs.rs b/sdk/examples/client/node_api_indexer/04_get_foundry_outputs.rs
index 1e81619103..b1a993d522 100644
--- a/sdk/examples/client/node_api_indexer/04_get_foundry_outputs.rs
+++ b/sdk/examples/client/node_api_indexer/04_get_foundry_outputs.rs
@@ -24,7 +24,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder()
diff --git a/sdk/examples/client/node_api_indexer/05_get_nft_output.rs b/sdk/examples/client/node_api_indexer/05_get_nft_output.rs
index 41ddbb6247..1214780597 100644
--- a/sdk/examples/client/node_api_indexer/05_get_nft_output.rs
+++ b/sdk/examples/client/node_api_indexer/05_get_nft_output.rs
@@ -24,7 +24,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder().with_node(&node_url)?.finish().await?;
diff --git a/sdk/examples/client/node_api_indexer/06_get_nft_outputs.rs b/sdk/examples/client/node_api_indexer/06_get_nft_outputs.rs
index d0210a27b1..bf491f0544 100644
--- a/sdk/examples/client/node_api_indexer/06_get_nft_outputs.rs
+++ b/sdk/examples/client/node_api_indexer/06_get_nft_outputs.rs
@@ -24,7 +24,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder()
diff --git a/sdk/examples/client/node_api_indexer/07_get_random_basic_outputs.rs b/sdk/examples/client/node_api_indexer/07_get_random_basic_outputs.rs
index b53aa1802b..4cf7f8fbb5 100644
--- a/sdk/examples/client/node_api_indexer/07_get_random_basic_outputs.rs
+++ b/sdk/examples/client/node_api_indexer/07_get_random_basic_outputs.rs
@@ -21,7 +21,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(1)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder().with_node(&node_url)?.finish().await?;
diff --git a/sdk/examples/client/output/build_account_output.rs b/sdk/examples/client/output/build_account_output.rs
index 97fec52486..c575d37960 100644
--- a/sdk/examples/client/output/build_account_output.rs
+++ b/sdk/examples/client/output/build_account_output.rs
@@ -25,6 +25,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["NODE_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let metadata = std::env::args().nth(1).unwrap_or_else(|| "hello".to_string());
     let metadata = metadata.as_bytes();
 
diff --git a/sdk/examples/client/output/build_nft_output.rs b/sdk/examples/client/output/build_nft_output.rs
index 936f85397b..3fedaf5532 100644
--- a/sdk/examples/client/output/build_nft_output.rs
+++ b/sdk/examples/client/output/build_nft_output.rs
@@ -28,6 +28,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["NODE_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Create a node client.
     let client = Client::builder()
         .with_node(&std::env::var("NODE_URL").unwrap())?
diff --git a/sdk/examples/client/quorum.rs b/sdk/examples/client/quorum.rs
index 232de6e647..06b5233ef7 100644
--- a/sdk/examples/client/quorum.rs
+++ b/sdk/examples/client/quorum.rs
@@ -23,6 +23,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["MNEMONIC"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let node_1 = std::env::args().nth(1).expect("missing example argument: NODE 1");
     let node_2 = std::env::args().nth(2).expect("missing example argument: NODE 2");
     let node_3 = std::env::args().nth(3).expect("missing example argument: NODE 3");
diff --git a/sdk/examples/client/send_all.rs b/sdk/examples/client/send_all.rs
index a17dbb5dc5..b88cd94874 100644
--- a/sdk/examples/client/send_all.rs
+++ b/sdk/examples/client/send_all.rs
@@ -24,6 +24,10 @@ async fn main() -> Result<()> {
     // `NON_SECURE_USE_DEVELOPMENT_MNEMONIC_1` must contain non-zero balance.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "MNEMONIC", "MNEMONIC_2", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Create a node client.
     let client = Client::builder()
         .with_node(&std::env::var("NODE_URL").unwrap())?
diff --git a/sdk/examples/client/split_funds.rs b/sdk/examples/client/split_funds.rs
index ca7eb31b5b..d5a5d5d12a 100644
--- a/sdk/examples/client/split_funds.rs
+++ b/sdk/examples/client/split_funds.rs
@@ -17,6 +17,10 @@ async fn main() -> Result<()> {
     // `MNEMONIC` must contain non-zero balance.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "MNEMONIC", "FAUCET_URL", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Create a node client.
     let client = Client::builder()
         .with_node(&std::env::var("NODE_URL").unwrap())?
diff --git a/sdk/examples/client/stronghold.rs b/sdk/examples/client/stronghold.rs
index 50ed797069..6bdd1a2776 100644
--- a/sdk/examples/client/stronghold.rs
+++ b/sdk/examples/client/stronghold.rs
@@ -20,13 +20,18 @@ use iota_sdk::{
 
 #[tokio::main]
 async fn main() -> Result<()> {
+    // This example uses secrets in environment variables for simplicity which should not be done in production.
+    dotenvy::dotenv().ok();
+
+    #[allow(clippy::single_element_loop)]
+    for var in ["MNEMONIC"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let stronghold_secret_manager = StrongholdSecretManager::builder()
         .password("some_hopefully_secure_password".to_owned())
         .build("test.stronghold")?;
 
-    // This example uses secrets in environment variables for simplicity which should not be done in production.
-    dotenvy::dotenv().ok();
-
     let mnemonic = Mnemonic::from(std::env::var("MNEMONIC").unwrap());
 
     // The mnemonic only needs to be stored the first time
diff --git a/sdk/examples/how_tos/account/create.rs b/sdk/examples/how_tos/account/create.rs
index 78ad399c7f..a9d44a25ca 100644
--- a/sdk/examples/how_tos/account/create.rs
+++ b/sdk/examples/how_tos/account/create.rs
@@ -19,6 +19,10 @@ async fn main() -> Result<()> {
     //  This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/account_wallet/request_funds.rs b/sdk/examples/how_tos/account_wallet/request_funds.rs
index 1975a09391..2604143aea 100644
--- a/sdk/examples/how_tos/account_wallet/request_funds.rs
+++ b/sdk/examples/how_tos/account_wallet/request_funds.rs
@@ -18,6 +18,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["FAUCET_URL", "WALLET_DB_PATH"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let faucet_url = std::env::var("FAUCET_URL").unwrap();
 
     // Create the wallet
diff --git a/sdk/examples/how_tos/account_wallet/transaction.rs b/sdk/examples/how_tos/account_wallet/transaction.rs
index 5087b82e19..a6183ef651 100644
--- a/sdk/examples/how_tos/account_wallet/transaction.rs
+++ b/sdk/examples/how_tos/account_wallet/transaction.rs
@@ -18,6 +18,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let sync_options = SyncOptions {
         account: AccountSyncOptions {
             basic_outputs: true,
@@ -70,8 +74,10 @@ async fn main() -> Result<()> {
     wallet
         .reissue_transaction_until_included(&transaction.transaction_id, None, None)
         .await?;
+
     println!(
-        "Transaction with custom input: https://explorer.shimmer.network/testnet/transaction/{}",
+        "Transaction with custom input: {}/transaction/{}",
+        std::env::var("EXPLORER_URL").unwrap(),
         transaction.transaction_id
     );
 
diff --git a/sdk/examples/how_tos/accounts_and_addresses/check_balance.rs b/sdk/examples/how_tos/accounts_and_addresses/check_balance.rs
index ab200fa677..6cfda4f7a1 100644
--- a/sdk/examples/how_tos/accounts_and_addresses/check_balance.rs
+++ b/sdk/examples/how_tos/accounts_and_addresses/check_balance.rs
@@ -18,6 +18,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/accounts_and_addresses/consolidate_outputs.rs b/sdk/examples/how_tos/accounts_and_addresses/consolidate_outputs.rs
index 9726ba09bd..9f4b013824 100644
--- a/sdk/examples/how_tos/accounts_and_addresses/consolidate_outputs.rs
+++ b/sdk/examples/how_tos/accounts_and_addresses/consolidate_outputs.rs
@@ -23,6 +23,12 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "EXPLORER_URL", "STRONGHOLD_PASSWORD"] {
+        if std::env::var(var).is_err() {
+            panic!(".env variable '{}' is undefined, see .env.example", var);
+        }
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/accounts_and_addresses/create_wallet.rs b/sdk/examples/how_tos/accounts_and_addresses/create_wallet.rs
index be4d113b1d..7d5385ecd9 100644
--- a/sdk/examples/how_tos/accounts_and_addresses/create_wallet.rs
+++ b/sdk/examples/how_tos/accounts_and_addresses/create_wallet.rs
@@ -24,6 +24,16 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in [
+        "STRONGHOLD_PASSWORD",
+        "STRONGHOLD_SNAPSHOT_PATH",
+        "MNEMONIC",
+        "NODE_URL",
+        "WALLET_DB_PATH",
+    ] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Setup Stronghold secret_manager
     let secret_manager = StrongholdSecretManager::builder()
         .password(std::env::var("STRONGHOLD_PASSWORD").unwrap())
diff --git a/sdk/examples/how_tos/accounts_and_addresses/list_outputs.rs b/sdk/examples/how_tos/accounts_and_addresses/list_outputs.rs
index 9c732c4831..76eb7ca140 100644
--- a/sdk/examples/how_tos/accounts_and_addresses/list_outputs.rs
+++ b/sdk/examples/how_tos/accounts_and_addresses/list_outputs.rs
@@ -15,6 +15,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["WALLET_DB_PATH"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/accounts_and_addresses/list_transactions.rs b/sdk/examples/how_tos/accounts_and_addresses/list_transactions.rs
index 6d07e6cb7c..b1b46d88ec 100644
--- a/sdk/examples/how_tos/accounts_and_addresses/list_transactions.rs
+++ b/sdk/examples/how_tos/accounts_and_addresses/list_transactions.rs
@@ -18,6 +18,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["WALLET_DB_PATH"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/advanced_transactions/advanced_transaction.rs b/sdk/examples/how_tos/advanced_transactions/advanced_transaction.rs
index 7c9ba9c99a..6b07de8487 100644
--- a/sdk/examples/how_tos/advanced_transactions/advanced_transaction.rs
+++ b/sdk/examples/how_tos/advanced_transactions/advanced_transaction.rs
@@ -25,6 +25,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "EXPLORER_URL", "STRONGHOLD_PASSWORD"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Get the wallet we generated with `create_wallet`.
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
diff --git a/sdk/examples/how_tos/advanced_transactions/claim_transaction.rs b/sdk/examples/how_tos/advanced_transactions/claim_transaction.rs
index 68319df0a9..6e8a8a60f3 100644
--- a/sdk/examples/how_tos/advanced_transactions/claim_transaction.rs
+++ b/sdk/examples/how_tos/advanced_transactions/claim_transaction.rs
@@ -16,6 +16,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "EXPLORER_URL", "STRONGHOLD_PASSWORD"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Get the wallet we generated with `create_wallet`.
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
diff --git a/sdk/examples/how_tos/advanced_transactions/send_micro_transaction.rs b/sdk/examples/how_tos/advanced_transactions/send_micro_transaction.rs
index a4ddb1db9e..80b50eae56 100644
--- a/sdk/examples/how_tos/advanced_transactions/send_micro_transaction.rs
+++ b/sdk/examples/how_tos/advanced_transactions/send_micro_transaction.rs
@@ -26,6 +26,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Get the wallet we generated with `create_wallet`.
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
diff --git a/sdk/examples/how_tos/client/get_health.rs b/sdk/examples/how_tos/client/get_health.rs
index ab0a68262d..7a42ef8978 100644
--- a/sdk/examples/how_tos/client/get_health.rs
+++ b/sdk/examples/how_tos/client/get_health.rs
@@ -18,7 +18,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(1)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder()
diff --git a/sdk/examples/how_tos/client/get_info.rs b/sdk/examples/how_tos/client/get_info.rs
index 6751dfebf4..a5d6251471 100644
--- a/sdk/examples/how_tos/client/get_info.rs
+++ b/sdk/examples/how_tos/client/get_info.rs
@@ -18,7 +18,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(1)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder()
diff --git a/sdk/examples/how_tos/client/get_outputs.rs b/sdk/examples/how_tos/client/get_outputs.rs
index 567dd80cf5..ec0819c4e1 100644
--- a/sdk/examples/how_tos/client/get_outputs.rs
+++ b/sdk/examples/how_tos/client/get_outputs.rs
@@ -25,7 +25,7 @@ async fn main() -> Result<()> {
     // Take the node URL from command line argument or use one from env as default.
     let node_url = std::env::args()
         .nth(2)
-        .unwrap_or_else(|| std::env::var("NODE_URL").unwrap());
+        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));
 
     // Create a node client.
     let client = Client::builder().with_node(&node_url)?.finish().await?;
diff --git a/sdk/examples/how_tos/native_tokens/burn.rs b/sdk/examples/how_tos/native_tokens/burn.rs
index 15d0985236..42e2a3773e 100644
--- a/sdk/examples/how_tos/native_tokens/burn.rs
+++ b/sdk/examples/how_tos/native_tokens/burn.rs
@@ -32,6 +32,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/native_tokens/create.rs b/sdk/examples/how_tos/native_tokens/create.rs
index c47b7f8275..467162c741 100644
--- a/sdk/examples/how_tos/native_tokens/create.rs
+++ b/sdk/examples/how_tos/native_tokens/create.rs
@@ -27,6 +27,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/native_tokens/destroy_foundry.rs b/sdk/examples/how_tos/native_tokens/destroy_foundry.rs
index a324f366db..3304548b9d 100644
--- a/sdk/examples/how_tos/native_tokens/destroy_foundry.rs
+++ b/sdk/examples/how_tos/native_tokens/destroy_foundry.rs
@@ -19,6 +19,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/native_tokens/melt.rs b/sdk/examples/how_tos/native_tokens/melt.rs
index 90bdcc34d0..779beda4fe 100644
--- a/sdk/examples/how_tos/native_tokens/melt.rs
+++ b/sdk/examples/how_tos/native_tokens/melt.rs
@@ -26,6 +26,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/native_tokens/mint.rs b/sdk/examples/how_tos/native_tokens/mint.rs
index 46a6ddfce9..44ed6db3ab 100644
--- a/sdk/examples/how_tos/native_tokens/mint.rs
+++ b/sdk/examples/how_tos/native_tokens/mint.rs
@@ -26,6 +26,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/native_tokens/send.rs b/sdk/examples/how_tos/native_tokens/send.rs
index 01b0b5ec2b..5e765bd153 100644
--- a/sdk/examples/how_tos/native_tokens/send.rs
+++ b/sdk/examples/how_tos/native_tokens/send.rs
@@ -28,6 +28,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/nft_collection/00_mint_issuer_nft.rs b/sdk/examples/how_tos/nft_collection/00_mint_issuer_nft.rs
index 4023bfc015..2a0e5bca56 100644
--- a/sdk/examples/how_tos/nft_collection/00_mint_issuer_nft.rs
+++ b/sdk/examples/how_tos/nft_collection/00_mint_issuer_nft.rs
@@ -28,6 +28,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/nft_collection/01_mint_collection_nft.rs b/sdk/examples/how_tos/nft_collection/01_mint_collection_nft.rs
index b71ff05350..914897800e 100644
--- a/sdk/examples/how_tos/nft_collection/01_mint_collection_nft.rs
+++ b/sdk/examples/how_tos/nft_collection/01_mint_collection_nft.rs
@@ -34,6 +34,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let issuer_nft_id = std::env::args()
         .nth(1)
         .expect("missing example argument: ISSUER_NFT_ID")
diff --git a/sdk/examples/how_tos/nfts/burn_nft.rs b/sdk/examples/how_tos/nfts/burn_nft.rs
index 84a4ab2df5..227a777063 100644
--- a/sdk/examples/how_tos/nfts/burn_nft.rs
+++ b/sdk/examples/how_tos/nfts/burn_nft.rs
@@ -18,6 +18,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Create the wallet
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
diff --git a/sdk/examples/how_tos/nfts/mint_nft.rs b/sdk/examples/how_tos/nfts/mint_nft.rs
index b1af051b4c..10264f07c9 100644
--- a/sdk/examples/how_tos/nfts/mint_nft.rs
+++ b/sdk/examples/how_tos/nfts/mint_nft.rs
@@ -35,6 +35,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Get the wallet we generated with `create_wallet`.
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
diff --git a/sdk/examples/how_tos/nfts/send_nft.rs b/sdk/examples/how_tos/nfts/send_nft.rs
index 4c24e104ff..ba4b29d288 100644
--- a/sdk/examples/how_tos/nfts/send_nft.rs
+++ b/sdk/examples/how_tos/nfts/send_nft.rs
@@ -24,6 +24,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Create the wallet
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
diff --git a/sdk/examples/how_tos/outputs/features.rs b/sdk/examples/how_tos/outputs/features.rs
index ca51095bb4..78d991872f 100644
--- a/sdk/examples/how_tos/outputs/features.rs
+++ b/sdk/examples/how_tos/outputs/features.rs
@@ -25,6 +25,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["NODE_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let node_url = std::env::var("NODE_URL").unwrap();
 
     // Create a client instance.
diff --git a/sdk/examples/how_tos/outputs/unlock_conditions.rs b/sdk/examples/how_tos/outputs/unlock_conditions.rs
index 0683de7f86..f41162d555 100644
--- a/sdk/examples/how_tos/outputs/unlock_conditions.rs
+++ b/sdk/examples/how_tos/outputs/unlock_conditions.rs
@@ -27,6 +27,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["NODE_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let node_url = std::env::var("NODE_URL").unwrap();
 
     // Create a client instance.
diff --git a/sdk/examples/how_tos/sign_and_verify_ed25519/sign_ed25519.rs b/sdk/examples/how_tos/sign_and_verify_ed25519/sign_ed25519.rs
index fde71e50a2..9304b224ab 100644
--- a/sdk/examples/how_tos/sign_and_verify_ed25519/sign_ed25519.rs
+++ b/sdk/examples/how_tos/sign_and_verify_ed25519/sign_ed25519.rs
@@ -29,6 +29,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["STRONGHOLD_PASSWORD", "MNEMONIC"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Setup Stronghold secret_manager
     let stronghold = StrongholdSecretManager::builder()
         .password(std::env::var("STRONGHOLD_PASSWORD").unwrap())
diff --git a/sdk/examples/how_tos/simple_transaction/request_funds.rs b/sdk/examples/how_tos/simple_transaction/request_funds.rs
index 2b19ae1d8f..13a0de5254 100644
--- a/sdk/examples/how_tos/simple_transaction/request_funds.rs
+++ b/sdk/examples/how_tos/simple_transaction/request_funds.rs
@@ -18,6 +18,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "FAUCET_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/how_tos/simple_transaction/simple_transaction.rs b/sdk/examples/how_tos/simple_transaction/simple_transaction.rs
index 16915f60b0..9990e6843e 100644
--- a/sdk/examples/how_tos/simple_transaction/simple_transaction.rs
+++ b/sdk/examples/how_tos/simple_transaction/simple_transaction.rs
@@ -23,6 +23,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/wallet/17_check_unlock_conditions.rs b/sdk/examples/wallet/17_check_unlock_conditions.rs
index f961427fb5..dda853bc04 100644
--- a/sdk/examples/wallet/17_check_unlock_conditions.rs
+++ b/sdk/examples/wallet/17_check_unlock_conditions.rs
@@ -24,6 +24,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["WALLET_DB_PATH"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/wallet/background_syncing.rs b/sdk/examples/wallet/background_syncing.rs
index 9cb953ebca..c2e2ee3407 100644
--- a/sdk/examples/wallet/background_syncing.rs
+++ b/sdk/examples/wallet/background_syncing.rs
@@ -23,6 +23,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "MNEMONIC", "WALLET_DB_PATH", "FAUCET_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Create a wallet
     let client_options = ClientOptions::new().with_node(&std::env::var("NODE_URL").unwrap())?;
     let secret_manager = MnemonicSecretManager::try_from_mnemonic(std::env::var("MNEMONIC").unwrap())?;
diff --git a/sdk/examples/wallet/events.rs b/sdk/examples/wallet/events.rs
index c2e2d99ec5..0c714a85ba 100644
--- a/sdk/examples/wallet/events.rs
+++ b/sdk/examples/wallet/events.rs
@@ -32,6 +32,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "MNEMONIC", "WALLET_DB_PATH", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let client_options = ClientOptions::new().with_node(&std::env::var("NODE_URL").unwrap())?;
 
     let secret_manager = MnemonicSecretManager::try_from_mnemonic(std::env::var("MNEMONIC").unwrap())?;
diff --git a/sdk/examples/wallet/getting_started.rs b/sdk/examples/wallet/getting_started.rs
index 35b1431d23..ca224dd04c 100644
--- a/sdk/examples/wallet/getting_started.rs
+++ b/sdk/examples/wallet/getting_started.rs
@@ -19,13 +19,21 @@ use iota_sdk::{
 
 #[tokio::main]
 async fn main() -> Result<()> {
+    // This example uses secrets in environment variables for simplicity which should not be done in production.
+    dotenvy::dotenv().ok();
+
+    #[allow(clippy::single_element_loop)]
+    for var in ["NODE_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Setup Stronghold secret manager.
     // WARNING: Never hardcode passwords in production code.
     let secret_manager = StrongholdSecretManager::builder()
         .password("password".to_owned()) // A password to encrypt the stored data.
         .build("vault.stronghold")?; // The path to store the wallet snapshot.
 
-    let client_options = ClientOptions::new().with_node("https://api.testnet.shimmer.network")?;
+    let client_options = ClientOptions::new().with_node(&std::env::var("NODE_URL").unwrap())?;
 
     // Set up and store the wallet.
     let wallet = Wallet::builder()
diff --git a/sdk/examples/wallet/ledger_nano.rs b/sdk/examples/wallet/ledger_nano.rs
index e428af78cb..d00faf9ff7 100644
--- a/sdk/examples/wallet/ledger_nano.rs
+++ b/sdk/examples/wallet/ledger_nano.rs
@@ -33,6 +33,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "WALLET_DB_PATH", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let client_options = ClientOptions::new().with_node(&std::env::var("NODE_URL").unwrap())?;
     let secret_manager = LedgerSecretManager::new(true);
     let wallet = Wallet::builder()
diff --git a/sdk/examples/wallet/logger.rs b/sdk/examples/wallet/logger.rs
index 43033a3bef..aea7bf146c 100644
--- a/sdk/examples/wallet/logger.rs
+++ b/sdk/examples/wallet/logger.rs
@@ -22,6 +22,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "MNEMONIC", "WALLET_DB_PATH"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Initialize a logger that writes to the specified file
     let logger_output_config = fern_logger::LoggerOutputConfigBuilder::new()
         .name("example.log")
diff --git a/sdk/examples/wallet/offline_signing/0_generate_address.rs b/sdk/examples/wallet/offline_signing/0_generate_address.rs
index fa14f84112..f54a1b8c95 100644
--- a/sdk/examples/wallet/offline_signing/0_generate_address.rs
+++ b/sdk/examples/wallet/offline_signing/0_generate_address.rs
@@ -26,6 +26,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["STRONGHOLD_PASSWORD", "MNEMONIC"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let offline_client = ClientOptions::new();
 
     // Setup Stronghold secret_manager
diff --git a/sdk/examples/wallet/offline_signing/1_prepare_transaction.rs b/sdk/examples/wallet/offline_signing/1_prepare_transaction.rs
index d9eee607cc..d5cfbfca99 100644
--- a/sdk/examples/wallet/offline_signing/1_prepare_transaction.rs
+++ b/sdk/examples/wallet/offline_signing/1_prepare_transaction.rs
@@ -31,6 +31,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["NODE_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let params = [SendParams::new(SEND_AMOUNT, RECV_ADDRESS)?];
 
     // Recovers addresses from example `0_address_generation`.
diff --git a/sdk/examples/wallet/offline_signing/2_sign_transaction.rs b/sdk/examples/wallet/offline_signing/2_sign_transaction.rs
index a32f72c9ff..14b9e0f4b3 100644
--- a/sdk/examples/wallet/offline_signing/2_sign_transaction.rs
+++ b/sdk/examples/wallet/offline_signing/2_sign_transaction.rs
@@ -29,6 +29,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["STRONGHOLD_PASSWORD"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Setup Stronghold secret_manager
     let secret_manager = StrongholdSecretManager::builder()
         .password(std::env::var("STRONGHOLD_PASSWORD").unwrap())
diff --git a/sdk/examples/wallet/offline_signing/3_send_transaction.rs b/sdk/examples/wallet/offline_signing/3_send_transaction.rs
index 43f68883f7..5a108b9fbc 100644
--- a/sdk/examples/wallet/offline_signing/3_send_transaction.rs
+++ b/sdk/examples/wallet/offline_signing/3_send_transaction.rs
@@ -27,6 +27,11 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    #[allow(clippy::single_element_loop)]
+    for var in ["EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     // Create the wallet with the secret_manager and client options
     let wallet = Wallet::builder()
         .with_storage_path(ONLINE_WALLET_DB_PATH)
diff --git a/sdk/examples/wallet/participation.rs b/sdk/examples/wallet/participation.rs
index d55f4059ea..190ff79462 100644
--- a/sdk/examples/wallet/participation.rs
+++ b/sdk/examples/wallet/participation.rs
@@ -42,6 +42,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["WALLET_DB_PATH", "STRONGHOLD_PASSWORD", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = Wallet::builder()
         .with_storage_path(&std::env::var("WALLET_DB_PATH").unwrap())
         .finish()
diff --git a/sdk/examples/wallet/spammer.rs b/sdk/examples/wallet/spammer.rs
index 9387836fd1..370c1b01d8 100644
--- a/sdk/examples/wallet/spammer.rs
+++ b/sdk/examples/wallet/spammer.rs
@@ -35,6 +35,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "MNEMONIC", "EXPLORER_URL", "FAUCET_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let num_simultaneous_txs = NUM_SIMULTANEOUS_TXS.min(num_cpus::get());
 
     println!("Spammer set up to issue {num_simultaneous_txs} transactions simultaneously.");
diff --git a/sdk/examples/wallet/storage.rs b/sdk/examples/wallet/storage.rs
index fa1b3b571d..d04ec6f656 100644
--- a/sdk/examples/wallet/storage.rs
+++ b/sdk/examples/wallet/storage.rs
@@ -22,6 +22,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "MNEMONIC", "WALLET_DB_PATH"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let secret_manager = MnemonicSecretManager::try_from_mnemonic(std::env::var("MNEMONIC").unwrap())?;
 
     let client_options = ClientOptions::new().with_node(&std::env::var("NODE_URL").unwrap())?;
diff --git a/sdk/examples/wallet/wallet.rs b/sdk/examples/wallet/wallet.rs
index 12f8b2ec33..de5b8cf48c 100644
--- a/sdk/examples/wallet/wallet.rs
+++ b/sdk/examples/wallet/wallet.rs
@@ -34,6 +34,10 @@ async fn main() -> Result<()> {
     // This example uses secrets in environment variables for simplicity which should not be done in production.
     dotenvy::dotenv().ok();
 
+    for var in ["NODE_URL", "MNEMONIC", "WALLET_DB_PATH", "EXPLORER_URL"] {
+        std::env::var(var).unwrap_or_else(|_| panic!(".env variable '{var}' is undefined, see .env.example"));
+    }
+
     let wallet = create_wallet().await?;
 
     // Change to `true` to print the full balance report
diff --git a/sdk/src/client/secret/ledger_nano.rs b/sdk/src/client/secret/ledger_nano.rs
index d499e5dc76..0519b5447f 100644
--- a/sdk/src/client/secret/ledger_nano.rs
+++ b/sdk/src/client/secret/ledger_nano.rs
@@ -431,12 +431,9 @@ impl SecretManagerConfig for LedgerSecretManager {
 /// If criteria are not met, blind signing is needed.
 /// This method finds out if we have to switch to blind signing mode.
 pub fn needs_blind_signing(prepared_transaction: &PreparedTransactionData, buffer_size: usize) -> bool {
-    if !prepared_transaction
-        .transaction
-        .outputs()
-        .iter()
-        .all(|output| matches!(output, Output::Basic(o) if o.simple_deposit_address().is_some()))
-    {
+    if !prepared_transaction.transaction.outputs().iter().all(
+        |output| matches!(output, Output::Basic(o) if o.simple_deposit_address().is_some()&& o.address().is_ed25519()),
+    ) {
         return true;
     }