Simple wallet address validator for validating Bitcoin and other altcoins addresses in Node.js and browser.

Forked from ryanralph/altcoin-address.

File size is ~22 kB (minifed and gzipped).

npm install wallet-address-validator

<script src="wallet-address-validator.min.js"></script>

• address - Wallet address to validate.
• currency - Optional. Currency name or symbol, e.g. 'bitcoin' (default), 'litecoin' or 'LTC'
• networkType - Optional. Use 'prod' (default) to enforce standard address, 'testnet' to enforce testnet address and 'both' to enforce nothing.

Returns true if the address (string) is a valid wallet address for the crypto currency specified, see below for supported currencies.

• Auroracoin/AUR, 'auroracoin' or 'AUR'

• Bankex/BKX, 'bankex' or 'BKX'

• BeaverCoin/BVC, 'beavercoin' or 'BVC'

• Biocoin/BIO, 'biocoin' or 'BIO'

• Bitcoin/BTC, 'bitcoin' or 'BTC'

• BitcoinCash/BCH, 'bitcoincash' or 'BCH'

• BitcoinGold/BTG, 'bitcoingold' or 'BTG'

• BitcoinPrivate/BTCP, 'bitcoinprivate' or 'BTCP'

• BitcoinZ/BTCZ, 'bitcoinz' or 'BTCZ'

• Callisto/CLO, 'callisto' or 'CLO'

• Dash, 'dash' or 'DASH'

• Decred/DCR, 'decred' or 'DCR'

• Digibyte/DGB, 'digibyte' or 'DGB'

• Dogecoin/DOGE, 'dogecoin' or 'DOGE'

• Ethereum/ETH, 'ethereum' or 'ETH'

• EthereumClassic/ETH, 'ethereumclassic' or 'ETC'

• EthereumZero/ETZ, 'etherzero' or 'ETZ'

• Freicoin/FRC, 'freicoin' or 'FRC'

• Garlicoin/GRLC, 'garlicoin' or 'GRLC'

• Hush/HUSH, 'hush' or 'HUSH'

• Komodo/KMD, 'komodo' or 'KMD'

• Litecoin/LTC, 'litecoin' or 'LTC'

• Megacoin/MEC, 'megacoin' or 'MEC'

• Monero/XMR, 'monero' or 'XMR'

• Namecoin/NMC, 'namecoin' or 'NMC'

• Nano/NANO, 'nano' or 'NANO'

• NEO/NEO, 'NEO' or 'NEO'

• NeoGas/GAS, 'neogas' or 'GAS'

• Peercoin/PPCoin/PPC, 'peercoin' or 'PPC'

• Primecoin/XPM, 'primecoin' or 'XPM'

• Protoshares/PTS, 'protoshares' or 'PTS'

• Qtum/QTUM, 'qtum' or 'QTUM'

• Raiblocks/XRB, 'raiblocks' or 'XRB'

• Ripple/XRP, 'ripple' or 'XRP'

• Snowgem/SNG, 'snowgem' or 'SNG'

• Vertcoin/VTC, 'vertcoin' or 'VTC'

• Votecoin/VTC, 'votecoin' or 'VOT'

• Zcash/ZEC, 'zcash' or 'ZEC'

• Zclassic/ZCL, 'zclassic' or 'ZCL'

• ZenCash/ZEN, 'zencash' or 'ZEN'

var WAValidator = require('wallet-address-validator');

var valid = WAValidator.validate('1KFzzGtDdnq5hrwxXGjwVnKzRbvf8WVxck', 'BTC');
if(valid)
	console.log('This is a valid address');
else
	console.log('Address INVALID');

// This will log 'This is a valid address' to the console.

var WAValidator = require('wallet-address-validator');

var valid = WAValidator.validate('1KFzzGtDdnq5hrwxXGjwVnKzRbvf8WVxck', 'litecoin', 'testnet');
if(valid)
      console.log('This is a valid address');
else
      console.log('Address INVALID');

// As this is a invalid litecoin address 'Address INVALID' will be logged to console.

<script src="wallet-address-validator.min.js"></script>

// WAValidator is exposed as a global (window.WAValidator)
var valid = WAValidator.validate('1KFzzGtDdnq5hrwxXGjwVnKzRbvf8WVxck', 'bitcoin');
if(valid)
    alert('This is a valid address');
else
    alert('Address INVALID');

// This should show a pop up with text 'This is a valid address'.