diff --git a/.npmrc b/.npmrc
new file mode 100644
index 00000000..421b35c6
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1 @@
+@ace_domains:registry=https://registry.npmjs.org/
\ No newline at end of file
diff --git a/README.md b/README.md
index 8d367ed0..4e09c3d4 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,7 @@ console.log(addr); // 1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa
 This library currently supports the following cryptocurrencies and address formats (ordered alphabetically):
 
 - ABBC (base58 + ripemd160-checksum)
+- ACE (checksummed-hex)
 - ADA (base58, no check + crc32-checksum and bech32)
 - AE (base58check)
 - AIB (base58check P2PKH and P2SH)
diff --git a/src/__tests__/index.test.ts b/src/__tests__/index.test.ts
index 99cb1dc6..c8114003 100644
--- a/src/__tests__/index.test.ts
+++ b/src/__tests__/index.test.ts
@@ -1254,6 +1254,13 @@ const vectors: Array<TestVector> = [
       { text: '0x314159265dD8dbb310642f98f50C066173C1259b', hex: '314159265dd8dbb310642f98f50c066173c1259b' },
     ],
   },
+  {
+    name: 'ACE',
+    coinType: convertEVMChainIdToCoinType(648),
+    passingVectors: [
+      { text: '0x314159265dD8dbb310642f98f50C066173C1259b', hex: '314159265dd8dbb310642f98f50c066173c1259b' },
+    ],
+  },
   {
     name: 'CLO',
     coinType: convertEVMChainIdToCoinType(820),
diff --git a/src/index.ts b/src/index.ts
index cd566be8..1184bb58 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1609,6 +1609,7 @@ export const formats: IFormat[] = [
   evmChain('EWT', 246),
   evmChain('FTM', 250),
   evmChain('THETA', 361),
+  evmChain('ACE', 648),
   evmChain('CLO', 820),
   evmChain('NRG', 39797),
   evmChain('ARB1', 42161),
@@ -1640,4 +1641,4 @@ const handler = {
   },
 };
 
-export const formatsByCoinType = new Proxy(coinTypeFormats, handler);
\ No newline at end of file
+export const formatsByCoinType = new Proxy(coinTypeFormats, handler);