diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 76b3b45a..0d8bcaaf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -57,7 +57,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        toolchain: [ nightly, beta, stable, 1.76.0 ]
+        toolchain: [ nightly, beta, stable, 1.77.0 ]
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master
diff --git a/.rustfmt.toml b/.rustfmt.toml
index de9c4d68..afee85fa 100644
--- a/.rustfmt.toml
+++ b/.rustfmt.toml
@@ -1,5 +1,5 @@
 edition = "2021"
-version = "Two"
+style_edition = "2021"
 
 max_width = 100
 array_width = 100
diff --git a/Cargo.lock b/Cargo.lock
index 2be55be7..65f8658c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -95,13 +95,13 @@ dependencies = [
 
 [[package]]
 name = "async-trait"
-version = "0.1.82"
+version = "0.1.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a27b8a3a6e1a44fa4c8baf1f653e4172e81486d4941f2237e20dc2d0cf4ddff1"
+checksum = "721cae7de5c34fbb2acd27e21e6d2cf7b886dce0c27388d46c4e6c47ea4318dd"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn 2.0.79",
 ]
 
 [[package]]
@@ -166,7 +166,7 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "client_side_validation"
-version = "0.11.0-beta.8"
+version = "0.11.0-beta.9"
 dependencies = [
  "commit_verify",
  "serde",
@@ -175,7 +175,7 @@ dependencies = [
 
 [[package]]
 name = "commit_encoding_derive"
-version = "0.11.0-beta.8"
+version = "0.11.0-beta.9"
 dependencies = [
  "amplify",
  "amplify_syn",
@@ -189,7 +189,7 @@ dependencies = [
 
 [[package]]
 name = "commit_verify"
-version = "0.11.0-beta.8"
+version = "0.11.0-beta.9"
 dependencies = [
  "amplify",
  "commit_encoding_derive",
@@ -226,9 +226,9 @@ dependencies = [
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.13"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51e852e6dc9a5bed1fae92dd2375037bf2b768725bf3be87811edee3249d09ad"
+checksum = "608697df725056feaccfa42cffdaeeec3fccc4ffc38358ecd19b243e716a78e0"
 dependencies = [
  "libc",
 ]
@@ -346,9 +346,9 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.14.5"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+checksum = "1e087f84d4f86bf4b218b927129862374b72199ae7d8657835f1e89000eea4fb"
 
 [[package]]
 name = "heck"
@@ -364,9 +364,9 @@ checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
 
 [[package]]
 name = "indexmap"
-version = "2.5.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68b900aa2f7301e21c36462b170ee99994de34dff39a4a6a528e80e7376d07e5"
+checksum = "707907fe3c25f5424cce2cb7e1cbcafee6bdbe735ca90ef77c29e84591e5b9da"
 dependencies = [
  "equivalent",
  "hashbrown",
@@ -386,9 +386,9 @@ checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
 name = "libc"
-version = "0.2.158"
+version = "0.2.159"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8adc4bb1803a324070e64a98ae98f38934d91957a99cfb3a43dcbc01bc56439"
+checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
 
 [[package]]
 name = "libredox"
@@ -440,9 +440,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.19.0"
+version = "1.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
 [[package]]
 name = "paste"
@@ -467,9 +467,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.86"
+version = "1.0.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77"
+checksum = "b3e4daa0dcf6feba26f985457cdf104d4b4256fc5a09547140f3631bb076b19a"
 dependencies = [
  "unicode-ident",
 ]
@@ -515,9 +515,9 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.5.3"
+version = "0.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a908a6e00f1fdd0dfd9c0eb08ce85126f6d8bbda50017e74bc4a4b7d4a926a4"
+checksum = "9b6dfecf2c74bce2466cabf93f6664d6998a69eb21e39f4207930065b27b771f"
 dependencies = [
  "bitflags",
 ]
@@ -535,9 +535,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.10.6"
+version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4219d74c6b67a3654a9fbebc4b419e22126d13d2f3c4a07ee0cb61ff79a79619"
+checksum = "38200e5ee88914975b69f657f0801b6f6dccafd44fd9326302a4aaeecfacb1d8"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -547,9 +547,9 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.4.7"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df"
+checksum = "368758f23274712b504848e9d5a6f010445cc8b87a7cdb4d7cbee666c1288da3"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -558,9 +558,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.8.4"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
+checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
 [[package]]
 name = "ripemd"
@@ -573,9 +573,9 @@ dependencies = [
 
 [[package]]
 name = "rustfix"
-version = "0.8.4"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4cef0c817217c330b3ef879e06455d726c1cffc800eaf7734d3b4ac63213636b"
+checksum = "70f5b7fc8060f4f8373f9381a630304b42e1183535d9beb1d3f596b236c9106a"
 dependencies = [
  "serde",
  "serde_json",
@@ -597,29 +597,29 @@ checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
 
 [[package]]
 name = "serde"
-version = "1.0.209"
+version = "1.0.210"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99fce0ffe7310761ca6bf9faf5115afbc19688edd00171d81b1bb1b116c63e09"
+checksum = "c8e3592472072e6e22e0a54d5904d9febf8508f65fb8552499a1abc7d1078c3a"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.209"
+version = "1.0.210"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5831b979fd7b5439637af1752d535ff49f4860c0f341d1baeb6faf0f4242170"
+checksum = "243902eda00fad750862fc144cea25caca5e20d615af0a81bee94ca738f1df1f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn 2.0.79",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.127"
+version = "1.0.128"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8043c06d9f82bd7271361ed64f415fe5e12a77fdb52e573e7f06a516dea329ad"
+checksum = "6ff5456707a1de34e7e37f2a6fd3d3f808c318259cbd01ab6377795054b483d8"
 dependencies = [
  "itoa",
  "memchr",
@@ -650,7 +650,7 @@ dependencies = [
 
 [[package]]
 name = "single_use_seals"
-version = "0.11.0-beta.8"
+version = "0.11.0-beta.9"
 dependencies = [
  "amplify_derive",
  "async-trait",
@@ -721,9 +721,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.77"
+version = "2.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f35bcdf61fd8e7be6caf75f429fdca8beb3ed76584befb503b1569faee373ed"
+checksum = "89132cd0bf050864e1d38dc3bbc07a0eb8e7530af26344d3d2bbbef83499f590"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -756,22 +756,22 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.63"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0342370b38b6a11b6cc11d6a805569958d54cfa061a29969c3b5ce2ea405724"
+checksum = "d50af8abc119fb8bb6dbabcfa89656f46f84aa0ac7688088608076ad2b459a84"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.63"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4558b58466b9ad7ca0f102865eccc95938dca1a74a856f2b57b6629050da261"
+checksum = "08904e7672f5eb876eaaf87e0ce17857500934f4981c4a0ab2b4aa98baac7fc3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn 2.0.79",
 ]
 
 [[package]]
@@ -781,21 +781,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
 dependencies = [
  "pin-project-lite",
- "tracing-attributes",
  "tracing-core",
 ]
 
-[[package]]
-name = "tracing-attributes"
-version = "0.1.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.77",
-]
-
 [[package]]
 name = "tracing-core"
 version = "0.1.32"
@@ -813,15 +801,15 @@ checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.12"
+version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
+checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
 
 [[package]]
 name = "unicode-width"
-version = "0.1.13"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0336d538f7abc86d282a4189614dfaa90810dfc2c6f6427eaf88e16311dd225d"
+checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
 
 [[package]]
 name = "version_check"
@@ -847,9 +835,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.93"
+version = "0.2.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a82edfc16a6c469f5f44dc7b571814045d60404b55a0ee849f9bcfa2e63dd9b5"
+checksum = "128d1e363af62632b8eb57219c8fd7877144af57558fb2ef0368d0087bddeb2e"
 dependencies = [
  "cfg-if",
  "once_cell",
@@ -858,24 +846,24 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.93"
+version = "0.2.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9de396da306523044d3302746f1208fa71d7532227f15e347e2d93e4145dd77b"
+checksum = "cb6dd4d3ca0ddffd1dd1c9c04f94b868c37ff5fac97c30b97cff2d74fce3a358"
 dependencies = [
  "bumpalo",
  "log",
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn 2.0.79",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.93"
+version = "0.2.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "585c4c91a46b072c92e908d99cb1dcdf95c5218eeb6f3bf1efa991ee7a68cccf"
+checksum = "e79384be7f8f5a9dd5d7167216f022090cf1f9ec128e6e6a482a2cb5c5422c56"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -883,22 +871,22 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.93"
+version = "0.2.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "afc340c74d9005395cf9dd098506f7f44e38f2b4a21c6aaacf9a105ea5e1e836"
+checksum = "26c6ab57572f7a24a4985830b120de1594465e5d500f24afe89e16b4e833ef68"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn 2.0.79",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.93"
+version = "0.2.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c62a0a307cb4a311d3a07867860911ca130c3494e8c2719593806c08bc5d0484"
+checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
 
 [[package]]
 name = "winapi"
@@ -1070,5 +1058,5 @@ checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn 2.0.79",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index f906b458..babd2e51 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,11 +13,11 @@ default-members = [
 ]
 
 [workspace.package]
-version = "0.11.0-beta.8"
+version = "0.11.0-beta.9"
 authors = ["Dr Maxim Orlovsky <orlovsky@lnp-bp.org>"]
 homepage = "https://github.com/LNP-BP"
 repository = "https://github.com/LNP-BP/client_side_validation"
-rust-version = "1.76.0" # Due to ascii-armor
+rust-version = "1.77.0" # Due to `rustfix`
 edition = "2021"
 license = "Apache-2.0"
 
@@ -46,8 +46,8 @@ name = "client_side_validation"
 path = "src/lib.rs"
 
 [dependencies]
-commit_verify = { version = "0.11.0-beta.8", path = "./commit_verify", default-features = false }
-single_use_seals = { version = "0.11.0-beta.8", path = "./single_use_seals" }
+commit_verify = { version = "0.11.0-beta.9", path = "./commit_verify", default-features = false }
+single_use_seals = { version = "0.11.0-beta.9", path = "./single_use_seals" }
 serde_crate = { package = "serde", version = "1", features = ["derive"], optional = true }
 
 [features]
diff --git a/MANIFEST.yml b/MANIFEST.yml
index 01614009..eb94ce12 100644
--- a/MANIFEST.yml
+++ b/MANIFEST.yml
@@ -3,7 +3,7 @@ Type: Library
 Kind: Free software
 License: Apache-2.0
 Language: Rust
-Compiler: 1.76
+Compiler: 1.77
 Author: Maxim Orlovsky
 Maintained: UBIDECO Institute, Switzerland
 Maintainers:
diff --git a/commit_verify/src/merkle.rs b/commit_verify/src/merkle.rs
index ed8e1933..e51985c7 100644
--- a/commit_verify/src/merkle.rs
+++ b/commit_verify/src/merkle.rs
@@ -212,7 +212,9 @@ impl<T, const MIN: usize> MerkleLeaves for Confined<Vec<T>, MIN, { u8::MAX as us
 where T: CommitId<CommitmentId = MerkleHash> + Copy
 {
     type Leaf = T;
-    type LeafIter<'tmp> = iter::Copied<slice::Iter<'tmp, T>> where Self: 'tmp;
+    type LeafIter<'tmp>
+        = iter::Copied<slice::Iter<'tmp, T>>
+    where Self: 'tmp;
 
     fn merkle_leaves(&self) -> Self::LeafIter<'_> { self.iter().copied() }
 }
@@ -221,7 +223,9 @@ impl<T: Ord, const MIN: usize> MerkleLeaves for Confined<BTreeSet<T>, MIN, { u8:
 where T: CommitId<CommitmentId = MerkleHash> + Copy
 {
     type Leaf = T;
-    type LeafIter<'tmp> = iter::Copied<btree_set::Iter<'tmp, T>> where Self: 'tmp;
+    type LeafIter<'tmp>
+        = iter::Copied<btree_set::Iter<'tmp, T>>
+    where Self: 'tmp;
 
     fn merkle_leaves(&self) -> Self::LeafIter<'_> { self.iter().copied() }
 }
@@ -230,7 +234,9 @@ impl<T, const MIN: usize> MerkleLeaves for Confined<Vec<T>, MIN, { u16::MAX as u
 where T: CommitId<CommitmentId = MerkleHash> + Copy
 {
     type Leaf = T;
-    type LeafIter<'tmp> = iter::Copied<slice::Iter<'tmp, T>> where Self: 'tmp;
+    type LeafIter<'tmp>
+        = iter::Copied<slice::Iter<'tmp, T>>
+    where Self: 'tmp;
 
     fn merkle_leaves(&self) -> Self::LeafIter<'_> { self.iter().copied() }
 }
@@ -239,7 +245,9 @@ impl<T: Ord, const MIN: usize> MerkleLeaves for Confined<BTreeSet<T>, MIN, { u16
 where T: CommitId<CommitmentId = MerkleHash> + Copy
 {
     type Leaf = T;
-    type LeafIter<'tmp> = iter::Copied<btree_set::Iter<'tmp, T>> where Self: 'tmp;
+    type LeafIter<'tmp>
+        = iter::Copied<btree_set::Iter<'tmp, T>>
+    where Self: 'tmp;
 
     fn merkle_leaves(&self) -> Self::LeafIter<'_> { self.iter().copied() }
 }
@@ -248,7 +256,9 @@ impl<T, const MIN: usize> MerkleLeaves for Confined<Vec<T>, MIN, { u32::MAX as u
 where T: CommitId<CommitmentId = MerkleHash> + Copy
 {
     type Leaf = T;
-    type LeafIter<'tmp> = iter::Copied<slice::Iter<'tmp, T>> where Self: 'tmp;
+    type LeafIter<'tmp>
+        = iter::Copied<slice::Iter<'tmp, T>>
+    where Self: 'tmp;
 
     fn merkle_leaves(&self) -> Self::LeafIter<'_> { self.iter().copied() }
 }
@@ -257,7 +267,9 @@ impl<T: Ord, const MIN: usize> MerkleLeaves for Confined<BTreeSet<T>, MIN, { u32
 where T: CommitId<CommitmentId = MerkleHash> + Copy
 {
     type Leaf = T;
-    type LeafIter<'tmp> = iter::Copied<btree_set::Iter<'tmp, T>> where Self: 'tmp;
+    type LeafIter<'tmp>
+        = iter::Copied<btree_set::Iter<'tmp, T>>
+    where Self: 'tmp;
 
     fn merkle_leaves(&self) -> Self::LeafIter<'_> { self.iter().copied() }
 }