diff --git a/benches/Cargo.toml b/benches/Cargo.toml
index b467253e2d..6d9e1b33fd 100644
--- a/benches/Cargo.toml
+++ b/benches/Cargo.toml
@@ -40,7 +40,7 @@ path = "host_env.rs"
 [dependencies]
 
 [dev-dependencies]
-namada = { path = "../shared", features = ["testing"] }
+namada = { path = "../shared", features = ["std", "testing"] }
 namada_apps = { path = "../apps", features = ["benches"] }
 masp_primitives.workspace = true
 borsh.workspace = true
diff --git a/core/src/types/address.rs b/core/src/types/address.rs
index 53a736e1d5..fd71eb821e 100644
--- a/core/src/types/address.rs
+++ b/core/src/types/address.rs
@@ -728,7 +728,7 @@ pub mod tests {
 }
 
 /// Generate a new established address.
-#[cfg(feature = "rand")]
+#[cfg(any(test, feature = "rand"))]
 pub fn gen_established_address(seed: impl AsRef<str>) -> Address {
     use rand::prelude::ThreadRng;
     use rand::{thread_rng, RngCore};
diff --git a/core/src/types/key/common.rs b/core/src/types/key/common.rs
index 8fd921449d..7db4641879 100644
--- a/core/src/types/key/common.rs
+++ b/core/src/types/key/common.rs
@@ -7,7 +7,7 @@ use std::str::FromStr;
 use borsh::{BorshDeserialize, BorshSchema, BorshSerialize};
 use borsh_ext::BorshSerializeExt;
 use data_encoding::HEXLOWER;
-#[cfg(feature = "rand")]
+#[cfg(any(test, feature = "rand"))]
 use rand::{CryptoRng, RngCore};
 use serde::{Deserialize, Serialize};
 use thiserror::Error;
@@ -394,7 +394,7 @@ impl super::SigScheme for SigScheme {
 
     const TYPE: SchemeType = SchemeType::Common;
 
-    #[cfg(feature = "rand")]
+    #[cfg(any(test, feature = "rand"))]
     fn generate<R>(_csprng: &mut R) -> SecretKey
     where
         R: CryptoRng + RngCore,
diff --git a/core/src/types/key/ed25519.rs b/core/src/types/key/ed25519.rs
index 7096ba21cc..2e118fe90e 100644
--- a/core/src/types/key/ed25519.rs
+++ b/core/src/types/key/ed25519.rs
@@ -10,7 +10,7 @@ use std::str::FromStr;
 use borsh::{BorshDeserialize, BorshSchema, BorshSerialize};
 use borsh_ext::BorshSerializeExt;
 use data_encoding::HEXLOWER;
-#[cfg(feature = "rand")]
+#[cfg(any(test, feature = "rand"))]
 use rand::{CryptoRng, RngCore};
 use serde::{Deserialize, Serialize};
 use zeroize::{Zeroize, ZeroizeOnDrop};
@@ -350,7 +350,7 @@ impl super::SigScheme for SigScheme {
 
     const TYPE: SchemeType = SchemeType::Ed25519;
 
-    #[cfg(feature = "rand")]
+    #[cfg(any(test, feature = "rand"))]
     fn generate<R>(csprng: &mut R) -> SecretKey
     where
         R: CryptoRng + RngCore,
diff --git a/core/src/types/key/mod.rs b/core/src/types/key/mod.rs
index 8bfb51d80c..7416587bf3 100644
--- a/core/src/types/key/mod.rs
+++ b/core/src/types/key/mod.rs
@@ -11,7 +11,7 @@ use std::str::FromStr;
 use borsh::{BorshDeserialize, BorshSchema, BorshSerialize};
 use borsh_ext::BorshSerializeExt;
 use data_encoding::HEXUPPER;
-#[cfg(feature = "rand")]
+#[cfg(any(test, feature = "rand"))]
 use rand::{CryptoRng, RngCore};
 use serde::{Deserialize, Serialize};
 use sha2::{Digest, Sha256};
@@ -225,7 +225,7 @@ pub trait SigScheme: Eq + Ord + Debug + Serialize + Default {
     const TYPE: SchemeType;
 
     /// Generate a keypair.
-    #[cfg(feature = "rand")]
+    #[cfg(any(test, feature = "rand"))]
     fn generate<R>(csprng: &mut R) -> Self::SecretKey
     where
         R: CryptoRng + RngCore;
diff --git a/core/src/types/key/secp256k1.rs b/core/src/types/key/secp256k1.rs
index 29407b9191..06ae2c4216 100644
--- a/core/src/types/key/secp256k1.rs
+++ b/core/src/types/key/secp256k1.rs
@@ -14,7 +14,7 @@ use data_encoding::HEXLOWER;
 use ethabi::Token;
 use k256::ecdsa::RecoveryId;
 use k256::elliptic_curve::sec1::ToEncodedPoint;
-#[cfg(feature = "rand")]
+#[cfg(any(test, feature = "rand"))]
 use rand::{CryptoRng, RngCore};
 use serde::de::{Error, SeqAccess, Visitor};
 use serde::ser::SerializeTuple;
@@ -548,7 +548,7 @@ impl super::SigScheme for SigScheme {
 
     const TYPE: SchemeType = SchemeType::Secp256k1;
 
-    #[cfg(feature = "rand")]
+    #[cfg(any(test, feature = "rand"))]
     fn generate<R>(csprng: &mut R) -> SecretKey
     where
         R: CryptoRng + RngCore,
diff --git a/encoding_spec/Cargo.toml b/encoding_spec/Cargo.toml
index 972c50a2cc..838457b824 100644
--- a/encoding_spec/Cargo.toml
+++ b/encoding_spec/Cargo.toml
@@ -16,7 +16,7 @@ version.workspace = true
 default = []
 
 [dependencies]
-namada = {path = "../shared"}
+namada = { path = "../shared", features = ["std", "tendermint-rpc", "download-params"] }
 borsh.workspace = true
 itertools.workspace = true
 lazy_static.workspace = true
diff --git a/proof_of_stake/src/error.rs b/proof_of_stake/src/error.rs
index ec8e7c9733..6516809575 100644
--- a/proof_of_stake/src/error.rs
+++ b/proof_of_stake/src/error.rs
@@ -4,7 +4,6 @@ use std::num::TryFromIntError;
 use namada_core::types::address::Address;
 use namada_core::types::dec::Dec;
 use namada_core::types::storage::Epoch;
-use namada_storage;
 use thiserror::Error;
 
 use crate::rewards;
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index a567c4bdd6..411db9f311 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -15,7 +15,7 @@ version.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [features]
-default = ["tendermint-rpc", "download-params"]
+default = ["tendermint-rpc", "download-params", "std"]
 
 multicore = ["masp_proofs/multicore"]
 
diff --git a/shared/Cargo.toml b/shared/Cargo.toml
index 5cc94ca0e6..627d6fafbb 100644
--- a/shared/Cargo.toml
+++ b/shared/Cargo.toml
@@ -69,6 +69,8 @@ multicore = [
   "namada_sdk/multicore",
   "namada_token/multicore",
 ]
+# Download MASP params if they're not present
+download-params = ["namada_sdk/download-params"]
 
 [dependencies]
 namada_account = { path = "../account" }
diff --git a/wasm_for_tests/wasm_source/Cargo.lock b/wasm_for_tests/wasm_source/Cargo.lock
index 2702a6d803..39c79a2f62 100644
--- a/wasm_for_tests/wasm_source/Cargo.lock
+++ b/wasm_for_tests/wasm_source/Cargo.lock
@@ -1783,6 +1783,17 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5"
 
+[[package]]
+name = "fd-lock"
+version = "3.0.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef033ed5e9bad94e55838ca0ca906db0e043f517adda0c8b79c7a8c66c93c1b5"
+dependencies = [
+ "cfg-if 1.0.0",
+ "rustix",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "ff"
 version = "0.13.0"
@@ -3575,6 +3586,7 @@ dependencies = [
  "derivation-path",
  "ethbridge-bridge-contract",
  "ethers",
+ "fd-lock",
  "futures",
  "itertools 0.10.5",
  "lazy_static",
@@ -3599,6 +3611,8 @@ dependencies = [
  "paste",
  "proptest",
  "prost 0.12.3",
+ "rand 0.8.5",
+ "rand_core 0.6.4",
  "ripemd",
  "serde",
  "serde_json",