diff --git a/Cargo.lock b/Cargo.lock
index 9d47e7678..e7f76760a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -870,7 +870,7 @@ dependencies = [
  "libc",
  "option-ext",
  "redox_users",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -943,12 +943,11 @@ dependencies = [
  "rand 0.9.2",
  "rayon",
  "rocksdb",
- "rust-crypto",
  "serde",
  "serde_derive",
  "serde_json",
  "signal-hook",
- "socket2 0.6.2",
+ "socket2 0.6.3",
  "stderrlog",
  "sysconf",
  "tempfile",
@@ -1061,7 +1060,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -1138,12 +1137,6 @@ dependencies = [
  "percent-encoding",
 ]
 
-[[package]]
-name = "fuchsia-cprng"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
-
 [[package]]
 name = "futures-channel"
 version = "0.3.32"
@@ -1215,12 +1208,6 @@ dependencies = [
  "slab",
 ]
 
-[[package]]
-name = "gcc"
-version = "0.3.55"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f5f3913fa0bfe7ee1fd8248b6b9f42a5af4b9d65ec2dd2c3c26132b950ecfc2"
-
 [[package]]
 name = "getrandom"
 version = "0.2.17"
@@ -1229,7 +1216,7 @@ checksum = "ff2abc00be7fca6ebc474524697ae276ad847ad0a6b3faa4bcb027e9a4614ad0"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.1+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -1682,7 +1669,7 @@ checksum = "3640c1c38b8e4e43584d8df18be5fc6b0aa314ce6ebf51b53313d4306cca8e46"
 dependencies = [
  "hermit-abi 0.5.2",
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -1795,9 +1782,9 @@ checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
 [[package]]
 name = "libc"
-version = "0.2.182"
+version = "0.2.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6800badb6cb2082ffd7b6a67e6125bb39f18782f793520caee8cb8846be06112"
+checksum = "52ff2c0fe9bc6cb6b14a0592c2ff4fa9ceb83eea9db979b0487cd054946a2b8f"
 
 [[package]]
 name = "libloading"
@@ -1960,12 +1947,12 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "1.1.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a69bcab0ad47271a0234d9422b131806bf3968021e5dc9328caf2d4cd58557fc"
+checksum = "50b7e5b27aa02a74bac8c3f23f448f8d87ff11f92d3aac1a6ed369ee08cc56c1"
 dependencies = [
  "libc",
- "wasi 0.11.1+wasi-snapshot-preview1",
+ "wasi",
  "windows-sys 0.61.2",
 ]
 
@@ -2396,29 +2383,6 @@ version = "5.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 
-[[package]]
-name = "rand"
-version = "0.3.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64ac302d8f83c0c1974bf758f6b041c6c8ada916fbb44a609158ca8b064cc76c"
-dependencies = [
- "libc",
- "rand 0.4.6",
-]
-
-[[package]]
-name = "rand"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
-dependencies = [
- "fuchsia-cprng",
- "libc",
- "rand_core 0.3.1",
- "rdrand",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -2460,21 +2424,6 @@ dependencies = [
  "rand_core 0.9.5",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
-dependencies = [
- "rand_core 0.4.2",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
-
 [[package]]
 name = "rand_core"
 version = "0.6.4"
@@ -2513,15 +2462,6 @@ dependencies = [
  "crossbeam-utils",
 ]
 
-[[package]]
-name = "rdrand"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
-dependencies = [
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "redox_syscall"
 version = "0.5.18"
@@ -2655,19 +2595,6 @@ dependencies = [
  "librocksdb-sys",
 ]
 
-[[package]]
-name = "rust-crypto"
-version = "0.2.36"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f76d05d3993fd5f4af9434e8e436db163a12a9d40e1a58a726f27a01dfd12a2a"
-dependencies = [
- "gcc",
- "libc",
- "rand 0.3.23",
- "rustc-serialize",
- "time 0.1.45",
-]
-
 [[package]]
 name = "rustc-demangle"
 version = "0.1.27"
@@ -2680,12 +2607,6 @@ version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"
 
-[[package]]
-name = "rustc-serialize"
-version = "0.3.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe834bc780604f4674073badbad26d7219cadfb4a2275802db12cbae17498401"
-
 [[package]]
 name = "rustc_version"
 version = "0.2.3"
@@ -2718,7 +2639,7 @@ dependencies = [
  "errno 0.3.14",
  "libc",
  "linux-raw-sys 0.12.1",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -3010,7 +2931,7 @@ version = "1.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4db69cba1110affc0e9f7bcd48bbf87b3f4fc7c61fc9155afd4c469eb3d6c1b"
 dependencies = [
- "errno 0.3.14",
+ "errno 0.2.8",
  "libc",
 ]
 
@@ -3044,12 +2965,12 @@ dependencies = [
 
 [[package]]
 name = "socket2"
-version = "0.6.2"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86f4aa3ad99f2088c990dfa82d367e19cb29268ed67c574d10d0a4bfe71f07e0"
+checksum = "3a766e1110788c36f4fa1c2b71b387a7815aa65f88ce0229841826633d93723e"
 dependencies = [
  "libc",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3239,9 +3160,9 @@ dependencies = [
 
 [[package]]
 name = "tar"
-version = "0.4.44"
+version = "0.4.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d863878d212c87a19c1a610eb53bb01fe12951c0501cf5a0d65f724914a667a"
+checksum = "22692a6476a21fa75fdfc11d452fda482af402c008cdbaf3476414e122040973"
 dependencies = [
  "filetime",
  "libc",
@@ -3264,7 +3185,7 @@ dependencies = [
  "getrandom 0.4.1",
  "once_cell",
  "rustix 1.1.4",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -3354,17 +3275,6 @@ dependencies = [
  "tikv-jemalloc-sys",
 ]
 
-[[package]]
-name = "time"
-version = "0.1.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
-dependencies = [
- "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "time"
 version = "0.2.27"
@@ -3483,15 +3393,15 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.49.0"
+version = "1.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72a2903cd7736441aac9df9d7688bd0ce48edccaadf181c3b90be801e81d3d86"
+checksum = "a91135f59b1cbf38c91e73cf3386fca9bb77915c45ce2771460c9d92f0f3d776"
 dependencies = [
  "bytes",
  "libc",
  "mio",
  "pin-project-lite",
- "socket2 0.6.2",
+ "socket2 0.6.3",
  "tokio-macros",
  "windows-sys 0.61.2",
 ]
@@ -3508,9 +3418,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "2.6.0"
+version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af407857209536a95c8e56f8231ef2c2e2aff839b22e07a1ffcbc617e9db9fa5"
+checksum = "385a6cb71ab9ab790c5fe8d67f1645e6c450a7ce006a33de03daa956cf70a496"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3886,12 +3796,6 @@ dependencies = [
  "try-lock",
 ]
 
-[[package]]
-name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
-
 [[package]]
 name = "wasi"
 version = "0.11.1+wasi-snapshot-preview1"
@@ -4108,7 +4012,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -4203,15 +4107,6 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
-[[package]]
-name = "windows-sys"
-version = "0.60.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2f500e4d28234f72040990ec9d39e3a6b950f9f22d3dba18416c35882612bcb"
-dependencies = [
- "windows-targets 0.53.5",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.61.2"
@@ -4245,30 +4140,13 @@ dependencies = [
  "windows_aarch64_gnullvm 0.52.6",
  "windows_aarch64_msvc 0.52.6",
  "windows_i686_gnu 0.52.6",
- "windows_i686_gnullvm 0.52.6",
+ "windows_i686_gnullvm",
  "windows_i686_msvc 0.52.6",
  "windows_x86_64_gnu 0.52.6",
  "windows_x86_64_gnullvm 0.52.6",
  "windows_x86_64_msvc 0.52.6",
 ]
 
-[[package]]
-name = "windows-targets"
-version = "0.53.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4945f9f551b88e0d65f3db0bc25c33b8acea4d9e41163edf90dcd0b19f9069f3"
-dependencies = [
- "windows-link",
- "windows_aarch64_gnullvm 0.53.1",
- "windows_aarch64_msvc 0.53.1",
- "windows_i686_gnu 0.53.1",
- "windows_i686_gnullvm 0.53.1",
- "windows_i686_msvc 0.53.1",
- "windows_x86_64_gnu 0.53.1",
- "windows_x86_64_gnullvm 0.53.1",
- "windows_x86_64_msvc 0.53.1",
-]
-
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.48.5"
@@ -4281,12 +4159,6 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
 
-[[package]]
-name = "windows_aarch64_gnullvm"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9d8416fa8b42f5c947f8482c43e7d89e73a173cead56d044f6a56104a6d1b53"
-
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.48.5"
@@ -4299,12 +4171,6 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
 
-[[package]]
-name = "windows_aarch64_msvc"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9d782e804c2f632e395708e99a94275910eb9100b2114651e04744e9b125006"
-
 [[package]]
 name = "windows_i686_gnu"
 version = "0.48.5"
@@ -4317,24 +4183,12 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
 
-[[package]]
-name = "windows_i686_gnu"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "960e6da069d81e09becb0ca57a65220ddff016ff2d6af6a223cf372a506593a3"
-
 [[package]]
 name = "windows_i686_gnullvm"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
 
-[[package]]
-name = "windows_i686_gnullvm"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa7359d10048f68ab8b09fa71c3daccfb0e9b559aed648a8f95469c27057180c"
-
 [[package]]
 name = "windows_i686_msvc"
 version = "0.48.5"
@@ -4347,12 +4201,6 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
 
-[[package]]
-name = "windows_i686_msvc"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e7ac75179f18232fe9c285163565a57ef8d3c89254a30685b57d83a38d326c2"
-
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.48.5"
@@ -4365,12 +4213,6 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
 
-[[package]]
-name = "windows_x86_64_gnu"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c3842cdd74a865a8066ab39c8a7a473c0778a3f29370b5fd6b4b9aa7df4a499"
-
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.48.5"
@@ -4383,12 +4225,6 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
 
-[[package]]
-name = "windows_x86_64_gnullvm"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ffa179e2d07eee8ad8f57493436566c7cc30ac536a3379fdf008f47f6bb7ae1"
-
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.48.5"
@@ -4401,12 +4237,6 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
-[[package]]
-name = "windows_x86_64_msvc"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
-
 [[package]]
 name = "winnow"
 version = "0.7.14"
diff --git a/Cargo.toml b/Cargo.toml
index 71a111e2f..29f355be1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,7 +50,6 @@ prometheus = "0.14"
 rayon = "1.5.0"
 rocksdb = "0.24"
 tikv-jemallocator = "0.6"
-rust-crypto = "0.2"
 serde = "1.0.118"
 serde_derive = "1.0.118"
 serde_json = "1.0.60"
diff --git a/src/electrum/server.rs b/src/electrum/server.rs
index 81b3c020a..8dcb33c07 100644
--- a/src/electrum/server.rs
+++ b/src/electrum/server.rs
@@ -6,10 +6,8 @@ use std::sync::{Arc, Mutex, RwLock};
 use std::thread;
 use std::time::Instant;
 
-use bitcoin::hashes::sha256d::Hash as Sha256dHash;
+use bitcoin::hashes::{sha256, sha256d::Hash as Sha256dHash, Hash, HashEngine};
 use bitcoin::hex::DisplayHex;
-use crypto::digest::Digest;
-use crypto::sha2::Sha256;
 use error_chain::ChainedError;
 use serde_json::{from_str, Value};
 
@@ -76,8 +74,7 @@ fn get_status_hash(txs: Vec<(Txid, Option<BlockId>)>, query: &Query) -> Option<F
     if txs.is_empty() {
         None
     } else {
-        let mut hash = FullHash::default();
-        let mut sha2 = Sha256::new();
+        let mut engine = sha256::Hash::engine();
         for (txid, blockid) in txs {
             let is_mempool = blockid.is_none();
             let has_unconfirmed_parents = is_mempool
@@ -85,10 +82,9 @@ fn get_status_hash(txs: Vec<(Txid, Option<BlockId>)>, query: &Query) -> Option<F
                 .unwrap_or(false);
             let height = get_electrum_height(blockid, has_unconfirmed_parents);
             let part = format!("{}:{}:", txid, height);
-            sha2.input(part.as_bytes());
+            engine.input(part.as_bytes());
         }
-        sha2.result(&mut hash);
-        Some(hash)
+        Some(sha256::Hash::from_engine(engine).to_byte_array())
     }
 }
 
@@ -115,6 +111,13 @@ struct Connection {
     salt: String,
 }
 
+fn hash_ip_with_salt(salt: &str, ip: &str) -> String {
+    let mut engine = sha256::Hash::engine();
+    engine.input(salt.as_bytes());
+    engine.input(ip.as_bytes());
+    format!("{:x}", sha256::Hash::from_engine(engine))
+}
+
 impl Connection {
     pub fn new(
         query: Arc<Query>,
@@ -527,17 +530,10 @@ impl Connection {
         Ok(result)
     }
 
-    fn hash_ip_with_salt(&self, ip: &str) -> String {
-        let mut hasher = Sha256::new();
-        hasher.input(self.salt.as_bytes());
-        hasher.input(ip.as_bytes());
-        hasher.result_str()
-    }
-
     fn log_rpc_event(&self, mut log: Value) {
         let real_ip = self.addr.ip().to_string();
         let ip_to_log = if self.rpc_logging.anonymize_ip {
-            self.hash_ip_with_salt(&real_ip)
+            hash_ip_with_salt(&self.salt, &real_ip)
         } else {
             real_ip
         };
@@ -938,3 +934,18 @@ impl Drop for RPC {
         trace!("RPC server is stopped");
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_hash_ip_with_salt() {
+        // SHA-256("test_salt" || "127.0.0.1")
+        let result = hash_ip_with_salt("test_salt", "127.0.0.1");
+        assert_eq!(
+            result,
+            "d474826bbd126d38bdfb1e61bf727a2d9a306ea1645071faf2638cc3891a2b30"
+        );
+    }
+}
diff --git a/src/new_index/precache.rs b/src/new_index/precache.rs
index ea4710431..86c0c6bf2 100644
--- a/src/new_index/precache.rs
+++ b/src/new_index/precache.rs
@@ -3,10 +3,9 @@ use crate::errors::*;
 use crate::new_index::ChainQuery;
 use crate::util::FullHash;
 
-use crypto::digest::Digest;
-use crypto::sha2::Sha256;
 use rayon::prelude::*;
 
+use bitcoin::hashes::{sha256, Hash};
 use bitcoin::hex::FromHex;
 use std::fs::File;
 use std::io;
@@ -74,9 +73,5 @@ fn address_to_scripthash(addr: &str) -> Result<FullHash> {
 }
 
 pub fn compute_script_hash(data: &[u8]) -> FullHash {
-    let mut hash = FullHash::default();
-    let mut sha2 = Sha256::new();
-    sha2.input(data);
-    sha2.result(&mut hash);
-    hash
+    sha256::Hash::hash(data).to_byte_array()
 }
diff --git a/src/new_index/schema.rs b/src/new_index/schema.rs
index f4e2ed2ca..23193ba2d 100644
--- a/src/new_index/schema.rs
+++ b/src/new_index/schema.rs
@@ -1,10 +1,8 @@
-use bitcoin::hashes::sha256d::Hash as Sha256dHash;
+use bitcoin::hashes::{sha256, sha256d::Hash as Sha256dHash, Hash};
 use bitcoin::hex::FromHex;
 #[cfg(not(feature = "liquid"))]
 use bitcoin::merkle_tree::MerkleBlock;
 
-use crypto::digest::Digest;
-use crypto::sha2::Sha256;
 use itertools::Itertools;
 use rayon::prelude::*;
 
@@ -1447,11 +1445,7 @@ fn addr_search_filter(prefix: &str) -> Bytes {
 pub type FullHash = [u8; 32]; // serialized SHA256 result
 
 pub fn compute_script_hash(script: &Script) -> FullHash {
-    let mut hash = FullHash::default();
-    let mut sha2 = Sha256::new();
-    sha2.input(script.as_bytes());
-    sha2.result(&mut hash);
-    hash
+    sha256::Hash::hash(script.as_bytes()).to_byte_array()
 }
 
 pub fn parse_hash(hash: &FullHash) -> Sha256dHash {
@@ -1987,3 +1981,42 @@ pub mod bench {
         super::add_blocks(&[data.block_entry.clone()], &data.iconfig)
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_compute_script_hash_p2pkh() {
+        // P2PKH scriptPubKey for address 1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa
+        // OP_DUP OP_HASH160 <20-byte-hash> OP_EQUALVERIFY OP_CHECKSIG
+        let script: Script = Vec::from_hex("76a91462e907b15cbf27d5425399ebf6f0fb50ebb88f1888ac")
+            .unwrap()
+            .into();
+        let expected = "6191c3b590bfcfa0475e877c302da1e323497acf3b42c08d8fa28e364edf018b"
+            .parse::<sha256::Hash>()
+            .unwrap()
+            .to_byte_array();
+        assert_eq!(compute_script_hash(&script), expected);
+    }
+
+    #[test]
+    fn test_sha256_empty_input() {
+        // NIST SHA-256 test vector: SHA-256("")
+        let expected: sha256::Hash =
+            "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                .parse()
+                .unwrap();
+        assert_eq!(sha256::Hash::hash(b""), expected);
+    }
+
+    #[test]
+    fn test_sha256_abc() {
+        // NIST SHA-256 test vector: SHA-256("abc")
+        let expected: sha256::Hash =
+            "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
+                .parse()
+                .unwrap();
+        assert_eq!(sha256::Hash::hash(b"abc"), expected);
+    }
+}