diff --git a/compiler_base/3rdparty/rustc_span/Cargo.toml b/compiler_base/3rdparty/rustc_span/Cargo.toml
index e7aabaad8..f4108550f 100644
--- a/compiler_base/3rdparty/rustc_span/Cargo.toml
+++ b/compiler_base/3rdparty/rustc_span/Cargo.toml
@@ -22,4 +22,5 @@ cfg-if = "0.1.2"
 tracing = "0.1"
 sha1 = { package = "sha-1", version = "0.10.0" }
 sha2 = "0.10.1"
-md5 = { package = "md-5", version = "0.10.0" }
\ No newline at end of file
+md5 = { package = "md-5", version = "0.10.0" }
+blake3 = "1.5.4"
\ No newline at end of file
diff --git a/compiler_base/3rdparty/rustc_span/src/lib.rs b/compiler_base/3rdparty/rustc_span/src/lib.rs
index 548bafb36..e3ee8193a 100644
--- a/compiler_base/3rdparty/rustc_span/src/lib.rs
+++ b/compiler_base/3rdparty/rustc_span/src/lib.rs
@@ -36,6 +36,7 @@ use std::rc::Rc;
 use std::str::FromStr;
 
 use md5::Digest;
+use blake3::Hash as Blake3;
 use md5::Md5;
 use sha1::Sha1;
 use sha2::Sha256;
@@ -602,6 +603,7 @@ pub enum SourceFileHashAlgorithm {
     Md5,
     Sha1,
     Sha256,
+    Blake3,
 }
 
 impl FromStr for SourceFileHashAlgorithm {
@@ -612,6 +614,7 @@ impl FromStr for SourceFileHashAlgorithm {
             "md5" => Ok(SourceFileHashAlgorithm::Md5),
             "sha1" => Ok(SourceFileHashAlgorithm::Sha1),
             "sha256" => Ok(SourceFileHashAlgorithm::Sha256),
+            "blake3" => Ok(SourceFileHashAlgorithm::Blake3),
             _ => Err(()),
         }
     }
@@ -643,6 +646,12 @@ impl SourceFileHash {
             SourceFileHashAlgorithm::Sha256 => {
                 value.copy_from_slice(&Sha256::digest(data));
             }
+            SourceFileHashAlgorithm::Blake3 => {
+                let mut hasher = Blake3::new();
+                hasher.update(data);
+                let result = hasher.finalize();
+                value.copy_from_slice(result.as_bytes());
+            }
         }
         hash
     }
@@ -663,6 +672,7 @@ impl SourceFileHash {
             SourceFileHashAlgorithm::Md5 => 16,
             SourceFileHashAlgorithm::Sha1 => 20,
             SourceFileHashAlgorithm::Sha256 => 32,
+            SourceFileHashAlgorithm::Blake3 => 32,
         }
     }
 }
diff --git a/kclvm/Cargo.lock b/kclvm/Cargo.lock
index 581f2a5c3..14242249e 100644
--- a/kclvm/Cargo.lock
+++ b/kclvm/Cargo.lock
@@ -135,6 +135,12 @@ dependencies = [
  "backtrace",
 ]
 
+[[package]]
+name = "arrayref"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d151e35f61089500b617991b791fc8bfd237ae50cd5950803758a179b41e67a"
+
 [[package]]
 name = "arrayvec"
 version = "0.7.4"
@@ -238,6 +244,19 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "blake3"
+version = "1.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d82033247fd8e890df8f740e407ad4d038debb9eb1f40533fffb32e7d17dc6f7"
+dependencies = [
+ "arrayref",
+ "arrayvec",
+ "cc",
+ "cfg-if 1.0.0",
+ "constant_time_eq",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.7.3"
@@ -320,9 +339,12 @@ checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
 
 [[package]]
 name = "cc"
-version = "1.1.6"
+version = "1.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2aba8f4e9906c7ce3c73463f62a7f0c65183ada1a2d47e397cc8810827f9694f"
+checksum = "57b6a275aa2903740dc87da01c62040406b8812552e97129a63ea8850a17c6e6"
+dependencies = [
+ "shlex",
+]
 
 [[package]]
 name = "cfg-if"
@@ -473,6 +495,12 @@ version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "373e9fafaa20882876db20562275ff58d50e0caa2590077fe7ce7bef90211d0d"
 
+[[package]]
+name = "constant_time_eq"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c74b8349d32d297c9134b8c88677813a227df8f779daa29bfc29c183fe3dca6"
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.6"
@@ -1980,6 +2008,7 @@ dependencies = [
  "ahash",
  "anyhow",
  "base64 0.13.1",
+ "blake3",
  "bstr",
  "chrono",
  "fancy-regex",
@@ -3693,6 +3722,12 @@ dependencies = [
  "digest 0.10.7",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.2"
diff --git a/kclvm/runtime/Cargo.toml b/kclvm/runtime/Cargo.toml
index e5c8d7e36..6c7ee47c5 100644
--- a/kclvm/runtime/Cargo.toml
+++ b/kclvm/runtime/Cargo.toml
@@ -21,6 +21,7 @@ regex = "1.5.5"
 md5 = "0.7.0"
 sha2 = "0.9.8"
 sha1 = "0.6.0"
+blake3 = "1.5.4"
 chrono = "0.4.19"
 ahash = "0.7.2"
 indexmap = "1.0"
diff --git a/kclvm/runtime/src/_kclvm.h b/kclvm/runtime/src/_kclvm.h
index 9a4b2f0fd..8b2caff69 100644
--- a/kclvm/runtime/src/_kclvm.h
+++ b/kclvm/runtime/src/_kclvm.h
@@ -239,6 +239,8 @@ kclvm_value_ref_t* kclvm_crypto_sha384(kclvm_context_t* ctx, kclvm_value_ref_t*
 
 kclvm_value_ref_t* kclvm_crypto_sha512(kclvm_context_t* ctx, kclvm_value_ref_t* args, kclvm_value_ref_t* _kwargs);
 
+kclvm_value_ref_t* kclvm_crypto_blake3(kclvm_context_t* ctx, kclvm_value_ref_t* args, kclvm_value_ref_t* _kwargs);
+
 kclvm_value_ref_t* kclvm_crypto_uuid(kclvm_context_t* ctx, kclvm_value_ref_t* _args, kclvm_value_ref_t* _kwargs);
 
 kclvm_value_ref_t* kclvm_datetime_date(kclvm_context_t* ctx, kclvm_value_ref_t* _args, kclvm_value_ref_t* _kwargs);
diff --git a/kclvm/runtime/src/_kclvm.rs b/kclvm/runtime/src/_kclvm.rs
index cdf5373c7..cc9cdd721 100644
--- a/kclvm/runtime/src/_kclvm.rs
+++ b/kclvm/runtime/src/_kclvm.rs
@@ -112,6 +112,7 @@ pub enum ApiFunc {
     kclvm_crypto_sha256,
     kclvm_crypto_sha384,
     kclvm_crypto_sha512,
+    kclvm_crypto_blake3,
     kclvm_crypto_uuid,
     kclvm_datetime_date,
     kclvm_datetime_now,
diff --git a/kclvm/runtime/src/_kclvm_addr.rs b/kclvm/runtime/src/_kclvm_addr.rs
index ec6aec4f0..81794a939 100644
--- a/kclvm/runtime/src/_kclvm_addr.rs
+++ b/kclvm/runtime/src/_kclvm_addr.rs
@@ -113,6 +113,7 @@ pub fn _kclvm_get_fn_ptr_by_name(name: &str) -> u64 {
         "kclvm_crypto_sha256" => crate::kclvm_crypto_sha256 as *const () as u64,
         "kclvm_crypto_sha384" => crate::kclvm_crypto_sha384 as *const () as u64,
         "kclvm_crypto_sha512" => crate::kclvm_crypto_sha512 as *const () as u64,
+        "kclvm_crypto_blake3" => crate::kclvm_crypto_blake3 as *const () as u64,
         "kclvm_crypto_uuid" => crate::kclvm_crypto_uuid as *const () as u64,
         "kclvm_datetime_date" => crate::kclvm_datetime_date as *const () as u64,
         "kclvm_datetime_now" => crate::kclvm_datetime_now as *const () as u64,
diff --git a/kclvm/runtime/src/_kclvm_api_spec.rs b/kclvm/runtime/src/_kclvm_api_spec.rs
index a0d97b5f7..53c63f753 100644
--- a/kclvm/runtime/src/_kclvm_api_spec.rs
+++ b/kclvm/runtime/src/_kclvm_api_spec.rs
@@ -794,6 +794,10 @@
 // api-spec(c):    kclvm_value_ref_t* kclvm_crypto_sha512(kclvm_context_t* ctx, kclvm_value_ref_t* args, kclvm_value_ref_t* _kwargs);
 // api-spec(llvm): declare %kclvm_value_ref_t* @kclvm_crypto_sha512(%kclvm_context_t* %ctx, %kclvm_value_ref_t* %args, %kclvm_value_ref_t* %_kwargs);
 
+/// api-spec:       kclvm_crypto_blake3
+/// api-spec(c):    kclvm_value_ref_t* kclvm_crypto_blake3(kclvm_context_t* ctx, kclvm_value_ref_t* args, kclvm_value_ref_t* _kwargs);
+/// api-spec(llvm): declare %kclvm_value_ref_t* @kclvm_crypto_blake3(%kclvm_context_t* %ctx, %kclvm_value_ref_t* %args, %kclvm_value_ref_t* %_kwargs);
+
 // api-spec:       kclvm_crypto_uuid
 // api-spec(c):    kclvm_value_ref_t* kclvm_crypto_uuid(kclvm_context_t* ctx, kclvm_value_ref_t* _args, kclvm_value_ref_t* _kwargs);
 // api-spec(llvm): declare %kclvm_value_ref_t* @kclvm_crypto_uuid(%kclvm_context_t* %ctx, %kclvm_value_ref_t* %_args, %kclvm_value_ref_t* %_kwargs);
diff --git a/kclvm/runtime/src/crypto/mod.rs b/kclvm/runtime/src/crypto/mod.rs
index 53ad9d8bc..8e84d3c8a 100644
--- a/kclvm/runtime/src/crypto/mod.rs
+++ b/kclvm/runtime/src/crypto/mod.rs
@@ -1,5 +1,6 @@
 //! Copyright The KCL Authors. All rights reserved.
 
+extern crate blake3;
 extern crate md5;
 extern crate sha1;
 extern crate sha2;
@@ -167,6 +168,34 @@ pub extern "C" fn kclvm_crypto_sha512(
     panic!("sha512() missing 1 required positional argument: 'value'");
 }
 
+// blake3(value: str, encoding: str = "utf-8") -> str
+
+#[no_mangle]
+#[runtime_fn]
+pub extern "C" fn kclvm_crypto_blake3(
+    ctx: *mut kclvm_context_t,
+    args: *const kclvm_value_ref_t,
+    _kwargs: *const kclvm_value_ref_t,
+) -> *const kclvm_value_ref_t {
+    let args = ptr_as_ref(args);
+    let ctx = mut_ptr_as_ref(ctx);
+    if let Some(s) = args.arg_i_str(0, None) {
+        let mut hasher = blake3::Hasher::new();
+        hasher.update(s.as_bytes());
+        let result = hasher.finalize();
+
+        let mut hex = String::with_capacity(2 * Sha256::output_size());
+        use std::fmt::Write;
+
+        for byte in result.as_bytes() {
+            let _ = write!(&mut hex, "{byte:02x}");
+        }
+
+        return ValueRef::str(hex.as_ref()).into_raw(ctx);
+    }
+    panic!("blake3() missing 1 required positional argument: 'value'");
+}
+
 #[no_mangle]
 #[runtime_fn]
 pub extern "C" fn kclvm_crypto_uuid(
diff --git a/kclvm/sema/src/builtin/system_module.rs b/kclvm/sema/src/builtin/system_module.rs
index 8f3562327..26de42b45 100644
--- a/kclvm/sema/src/builtin/system_module.rs
+++ b/kclvm/sema/src/builtin/system_module.rs
@@ -1386,6 +1386,27 @@ register_crypto_member! {
         false,
         None,
     )
+    blake3 => Type::function(
+        None,
+        Type::str_ref(),
+        &[
+            Parameter {
+                name: "value".to_string(),
+                ty: Type::str_ref(),
+                has_default: false,
+                range: dummy_range(),
+            },
+            Parameter {
+                name: "encoding".to_string(),
+                ty: Type::str_ref(),
+                has_default: true,
+                range: dummy_range(),
+            },
+        ],
+        r#"Encrypt the string `value` using `BLAKE3` and the codec registered for encoding."#,
+        false,
+        None,
+    )
     uuid => Type::function(
         None,
         Type::str_ref(),
diff --git a/kclvm/tests/test_units/runtime/crypto/test_crypto.py b/kclvm/tests/test_units/runtime/crypto/test_crypto.py
index 46721e45d..8224964f9 100644
--- a/kclvm/tests/test_units/runtime/crypto/test_crypto.py
+++ b/kclvm/tests/test_units/runtime/crypto/test_crypto.py
@@ -38,6 +38,9 @@ def sha384(self, value: str) -> str:
     def sha512(self, value: str) -> str:
         return self.dylib.Invoke(f"crypto.sha512", value)
 
+    def blake3(self, value: str) -> str:
+        return self.dylib.Invoke(f"crypto.blake3", value)
+
     def test_md5(self):
         self.assertEqual(
             self.md5("The quick brown fox jumps over the lazy dog"),
@@ -77,6 +80,12 @@ def test_sha512(self):
             self.sha512(""),
             "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e",
         )
+    
+    def test_blake3(self):
+        self.assertEqual(
+            self.blake3(""),
+            "af1349b9f5f9a1a6a0404dea36dcc9499bcb25c9adc112b7cc9a93cae41f3262",
+        )
 
 
 if __name__ == "__main__":
diff --git a/test/grammar/builtins/crypto/blake/blake3/main.k b/test/grammar/builtins/crypto/blake/blake3/main.k
new file mode 100644
index 000000000..e8397fe26
--- /dev/null
+++ b/test/grammar/builtins/crypto/blake/blake3/main.k
@@ -0,0 +1,3 @@
+import crypto
+
+blake3 = crypto.blake3("ABCDEF")
diff --git a/test/grammar/builtins/crypto/blake/blake3/stdout.golden b/test/grammar/builtins/crypto/blake/blake3/stdout.golden
new file mode 100644
index 000000000..59ce547c5
--- /dev/null
+++ b/test/grammar/builtins/crypto/blake/blake3/stdout.golden
@@ -0,0 +1 @@
+blake3: 61c8c05f3e588c663cd9fbb1d7ad93604ed08cf335497095a020222cc9976cf1
\ No newline at end of file