diff --git a/README.md b/README.md
index a9185f06..6df13587 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ This library currently supports the following cryptocurrencies and address forma
  - BTC (base58check P2PKH and P2SH, and bech32 segwit)
  - LTC (base58check P2PHK and P2SH, and bech32 segwit)
  - DOGE (base58check P2PKH and P2SH)
+ - MONA (base58check P2PKH and P2SH)
  - ETH (checksummed-hex)
  - ETC (checksummed-hex)
  - RSK (checksummed-hex)
diff --git a/src/__tests__/index.test.ts b/src/__tests__/index.test.ts
index 3612106b..0bf4f2ce 100644
--- a/src/__tests__/index.test.ts
+++ b/src/__tests__/index.test.ts
@@ -44,6 +44,13 @@ const vectors: Array<TestVector> = [
       { text: 'AF8ekvSf6eiSBRspJjnfzK6d1EM6pnPq3G', hex: 'a914f8f5d99a9fc21aa676e74d15e7b8134557615bda87' },
     ],
   },
+  {
+    name: 'MONA',
+    coinType: 22,
+    passingVectors: [
+      { text: 'MHxgS2XMXjeJ4if2PRRbWYcdwZPWfdwaDT', hex: '76a9146e5bb7226a337fe8307b4192ae5c3fab9fa9edf588ac' },
+    ],
+  },
   {
     name: 'ETH',
     coinType: 60,
diff --git a/src/index.ts b/src/index.ts
index 7482af6e..b35c3674 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -182,6 +182,7 @@ const formats: IFormat[] = [
   bitcoinChain('BTC', 0, 'bc', [0x00], [0x05]),
   bitcoinChain('LTC', 2, 'ltc', [0x30], [0x32, 0x05]),
   base58Chain('DOGE', 3, [0x1e], [0x16]),
+  base58Chain('MONA', 22, [0x32], [0x05]),
   hexChecksumChain('ETH', 60),
   hexChecksumChain('ETC', 61),
   hexChecksumChain('RSK', 137),