diff --git a/Cargo.lock b/Cargo.lock
index cb76d8f..cedf2d8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -214,10 +214,11 @@ dependencies = [
 
 [[package]]
 name = "anychain-filecoin"
-version = "0.1.7"
+version = "0.1.8"
 dependencies = [
  "anychain-core",
  "anyhow",
+ "arbitrary",
  "base64 0.21.7",
  "blake2b_simd 1.0.2",
  "bls-signatures",
@@ -240,7 +241,7 @@ dependencies = [
 
 [[package]]
 name = "anychain-kms"
-version = "0.1.11"
+version = "0.1.12"
 dependencies = [
  "anyhow",
  "bs58 0.4.0",
@@ -330,6 +331,15 @@ version = "1.0.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b3d1d046238990b9cf5bcde22a3fb3584ee5cf65fb2765f454ed428c7a0063da"
 
+[[package]]
+name = "arbitrary"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
+dependencies = [
+ "derive_arbitrary",
+]
+
 [[package]]
 name = "ark-bls12-377"
 version = "0.4.0"
@@ -1123,6 +1133,17 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "derive_arbitrary"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67e77553c4162a157adbf834ebae5b415acbecbeafc7a74b0e886657506a7611"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.72",
+]
+
 [[package]]
 name = "derive_more"
 version = "0.99.18"
diff --git a/anychain-filecoin/Cargo.toml b/anychain-filecoin/Cargo.toml
index 8cd6472..cc15279 100644
--- a/anychain-filecoin/Cargo.toml
+++ b/anychain-filecoin/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "anychain-filecoin"
 description = "A Rust library for Filecoin-focused cryptocurrency wallets, enabling seamless transactions on the Filecoin blockchain"
-version = "0.1.7"
+version = "0.1.8"
 keywords = ["filecoin", "blockchain", "cryptocurrencies", "wallet", "transactions"]
 
 # Workspace inherited keys
@@ -33,4 +33,10 @@ forest_encoding = { workspace = true }
 cid = { workspace = true }
 base64 = { workspace = true }
 libsecp256k1 = { workspace = true }
-bls-signatures = { workspace = true }
\ No newline at end of file
+bls-signatures = { workspace = true }
+arbitrary = { version = "1.3.2", features = ["derive"], optional = true }
+
+[features]
+default = ["std"]
+std = ["anychain-core/std"]
+arb = ["dep:arbitrary"]
diff --git a/anychain-filecoin/src/address.rs b/anychain-filecoin/src/address.rs
index 71e2a20..8770bec 100644
--- a/anychain-filecoin/src/address.rs
+++ b/anychain-filecoin/src/address.rs
@@ -23,7 +23,6 @@ use thiserror::Error;
 
 /// Represents a filecoin address
 #[derive(PartialEq, Eq, Clone, Debug, Hash, Copy, Default)]
-#[cfg_attr(feature = "testing", derive(Default))]
 #[cfg_attr(feature = "arb", derive(arbitrary::Arbitrary))]
 pub struct FilecoinAddress {
     network: Network,
diff --git a/anychain-kms/Cargo.toml b/anychain-kms/Cargo.toml
index 571f3b6..d4fc379 100644
--- a/anychain-kms/Cargo.toml
+++ b/anychain-kms/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "anychain-kms"
 description = "A Rust library providing Key Management Schema for AnyChain. Handles general security and signature algorithms."
-version = "0.1.11"
+version = "0.1.12"
 keywords = ["cryptography", "security", "signature", "algorithm"]
 
 # Workspace inherited keys
@@ -36,6 +36,14 @@ encoding = "0.2.33"
 hex-literal = "0.4"
 
 [features]
-default = ["std"]
 alloc = ["zeroize/alloc"]
 std = ["alloc"]
+chinese-simplified = []
+chinese-traditional = []
+# Note: English is the standard for bip39 so always included
+french = []
+italian = []
+japanese = []
+korean = []
+spanish = []
+default = ["std", "chinese-simplified", "chinese-traditional", "french", "italian", "japanese", "korean", "spanish"]
diff --git a/anychain-kms/src/bip39/language.rs b/anychain-kms/src/bip39/language.rs
index 9edadd0..2a680be 100644
--- a/anychain-kms/src/bip39/language.rs
+++ b/anychain-kms/src/bip39/language.rs
@@ -134,8 +134,13 @@ impl Language {
     pub fn from_language_code(language_code: &str) -> Option<Self> {
         match &language_code.to_ascii_lowercase()[..] {
             "en" => Some(Language::English),
+            #[cfg(feature = "chinese-simplified")]
+            "zh-hans" => Some(Language::ChineseSimplified),
+            #[cfg(feature = "chinese-simplified")]
             "zh-cn" => Some(Language::ChineseSimplified),
             #[cfg(feature = "chinese-traditional")]
+            "zh-hant" => Some(Language::ChineseTraditional),
+            #[cfg(feature = "chinese-traditional")]
             "zh-tw" => Some(Language::ChineseTraditional),
             #[cfg(feature = "french")]
             "fr" => Some(Language::French),
@@ -244,7 +249,7 @@ mod test {
         assert!(res.is_empty());
     }
 
-    fn _is_wordlist_nfkd(wl: &WordList) -> bool {
+    fn is_wordlist_nfkd(wl: &WordList) -> bool {
         for idx in 0..2047 {
             let word = wl.get_word(idx.into());
             if !unicode_normalization::is_nfkd(word) {
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 402b068..f049f11 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "1.79.0"
+channel = "1.80.1"
 components = ["clippy", "rustfmt"]
 targets = []
 profile = "minimal"