diff --git a/Cargo.lock b/Cargo.lock
index f6e1ac01..1709f54c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -65,7 +65,7 @@ version = "0.2.0"
 source = "git+https://github.com/rainlanguage/alloy-ethers-typecast?rev=a6bcb86b9b61a56d2440d33313f024297ce737bb#a6bcb86b9b61a56d2440d33313f024297ce737bb"
 dependencies = [
  "alloy-primitives 0.6.4",
- "alloy-sol-types",
+ "alloy-sol-types 0.6.4",
  "async-trait",
  "derive_builder",
  "ethers",
@@ -153,6 +153,24 @@ dependencies = [
  "bytes",
 ]
 
+[[package]]
+name = "alloy-sol-macro"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "970e5cf1ca089e964d4f7f7afc7c9ad642bfb1bdc695a20b0cba3b3c28954774"
+dependencies = [
+ "const-hex",
+ "dunce",
+ "heck 0.4.1",
+ "indexmap",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.60",
+ "syn-solidity 0.5.4",
+ "tiny-keccak",
+]
+
 [[package]]
 name = "alloy-sol-macro"
 version = "0.6.4"
@@ -169,7 +187,7 @@ dependencies = [
  "quote",
  "serde_json",
  "syn 2.0.60",
- "syn-solidity",
+ "syn-solidity 0.6.4",
  "tiny-keccak",
 ]
 
@@ -191,6 +209,18 @@ dependencies = [
  "winnow 0.6.6",
 ]
 
+[[package]]
+name = "alloy-sol-types"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a059d4d2c78f8f21e470772c75f9abd9ac6d48c2aaf6b278d1ead06ed9ac664"
+dependencies = [
+ "alloy-primitives 0.5.4",
+ "alloy-sol-macro 0.5.4",
+ "const-hex",
+ "serde",
+]
+
 [[package]]
 name = "alloy-sol-types"
 version = "0.6.4"
@@ -199,7 +229,7 @@ checksum = "ad09ec5853fa700d12d778ad224dcdec636af424d29fad84fb9a2f16a5b0ef09"
 dependencies = [
  "alloy-json-abi 0.6.4",
  "alloy-primitives 0.6.4",
- "alloy-sol-macro",
+ "alloy-sol-macro 0.6.4",
  "const-hex",
  "serde",
 ]
@@ -2985,6 +3015,21 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "metadata_wasm"
+version = "0.1.0"
+dependencies = [
+ "hex",
+ "js-sys",
+ "rain-metadata 0.0.2-alpha.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde",
+ "serde-wasm-bindgen",
+ "serde_bytes",
+ "serde_cbor",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.17"
@@ -3719,7 +3764,7 @@ dependencies = [
  "alloy-ethers-typecast",
  "alloy-json-abi 0.5.4",
  "alloy-primitives 0.5.4",
- "alloy-sol-types",
+ "alloy-sol-types 0.6.4",
  "anyhow",
  "clap",
  "deflate",
@@ -3747,12 +3792,43 @@ dependencies = [
  "validator",
 ]
 
+[[package]]
+name = "rain-metadata"
+version = "0.0.2-alpha.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98a4cc20d0b88a82e1ade286f7f3999c7a6faac02df49c393a44eca914330d80"
+dependencies = [
+ "alloy-json-abi 0.5.4",
+ "alloy-primitives 0.5.4",
+ "alloy-sol-types 0.5.4",
+ "anyhow",
+ "clap",
+ "deflate",
+ "futures",
+ "graphql_client",
+ "inflate",
+ "itertools 0.10.5",
+ "once_cell",
+ "regex",
+ "reqwest",
+ "schemars",
+ "serde",
+ "serde_bytes",
+ "serde_cbor",
+ "serde_json",
+ "strum 0.24.1",
+ "tokio",
+ "tracing",
+ "tracing-subscriber",
+ "validator",
+]
+
 [[package]]
 name = "rain-metadata-bindings"
 version = "0.1.0"
 dependencies = [
  "alloy-primitives 0.5.4",
- "alloy-sol-types",
+ "alloy-sol-types 0.6.4",
 ]
 
 [[package]]
@@ -4344,6 +4420,17 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "serde-wasm-bindgen"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3b4c031cd0d9014307d82b8abf653c0290fbdaeb4c02d00c63cf52f728628bf"
+dependencies = [
+ "js-sys",
+ "serde",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "serde_bytes"
 version = "0.11.14"
@@ -4715,6 +4802,18 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "syn-solidity"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91ede2e5b2c6bfac4bc0ff4499957a11725dc12a7ddb86270e827ef575892553"
+dependencies = [
+ "paste",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.60",
+]
+
 [[package]]
 name = "syn-solidity"
 version = "0.6.4"
diff --git a/Cargo.toml b/Cargo.toml
index 6a88cc33..e9e5f224 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 resolver = "2"
 members = [ "crates/bindings",
     "crates/cli"
-, "crates/metaboard"]
+, "crates/metaboard", "crates/metadata_wasm"]
 
 [workspace.dependencies]
 reqwest = { version = "0.11.17", features = ["json"] }
diff --git a/crates/metadata_wasm/Cargo.toml b/crates/metadata_wasm/Cargo.toml
new file mode 100644
index 00000000..0743cce9
--- /dev/null
+++ b/crates/metadata_wasm/Cargo.toml
@@ -0,0 +1,21 @@
+[package]
+name = "metadata_wasm"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+
+[dependencies]
+serde = { version = "1.0", features = ["derive"] }
+serde_cbor = "0.11"
+hex = "0.4.3"
+wasm-bindgen = "0.2"
+js-sys = "0.3"
+rain-metadata = "0.0.2-alpha.6"
+serde_bytes = "0.11.12"
+serde-wasm-bindgen = "0.4"
+wasm-bindgen-futures = "0.4"
\ No newline at end of file
diff --git a/crates/metadata_wasm/src/lib.rs b/crates/metadata_wasm/src/lib.rs
new file mode 100644
index 00000000..fbd94108
--- /dev/null
+++ b/crates/metadata_wasm/src/lib.rs
@@ -0,0 +1,22 @@
+use wasm_bindgen::prelude::*;
+use rain_metadata::meta::{
+                             RainMetaDocumentV1Item                         };
+use serde_wasm_bindgen::to_value;
+
+#[wasm_bindgen]
+pub fn cbor_decode_wasm(data: &[u8]) -> JsValue {
+    // Decode the data
+    let cbor_decoded = RainMetaDocumentV1Item::cbor_decode(&data);
+
+    // Convert the result to JsValue
+    match cbor_decoded {
+        Ok(decoded) => {
+            let js_value = to_value(&decoded);
+            match js_value {
+                Ok(value) => value,
+                Err(_) => JsValue::from_str("Error converting to JsValue"),
+            }
+        }
+        Err(err) => JsValue::from_str(&format!("CBOR decoding error: {:?}", err)),
+    }
+}