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

Forked from ryanralph/altcoin-address.

File size is ~17 kB (minifed and gzipped).

npm install multicoin-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.

• 0x/zrx '0x' or 'zrx'
• Aragon/ant 'Aragon' or 'ant'
• Augur/rep 'Augur' or 'rep'
• AuroraCoin/aur 'AuroraCoin' or 'aur'
• Bancor/bnt 'Bancor' or 'bnt'
• Bankex/bkx 'Bankex' or 'bkx'
• Basic Attention Token/bat 'Basic Attention Token' or 'bat'
• BeaverCoin/bvc 'BeaverCoin' or 'bvc'
• BioCoin/bio 'BioCoin' or 'bio'
• Bitcoin/btc 'Bitcoin' or 'btc'
• Bitcoin SV/bsv 'Bitcoin SV' or 'bsv'
• BitcoinCash/bch 'BitcoinCash' or 'bch'
• BitcoinGold/btg 'BitcoinGold' or 'btg'
• BitcoinPrivate/btcp 'BitcoinPrivate' or 'btcp'
• BitcoinZ/btcz 'BitcoinZ' or 'btcz'
• BTU Protocol/btu 'BTU Protocol' or 'btu'
• Callisto/clo 'Callisto' or 'clo'
• Cardano/ada 'Cardano' or 'ada'
• Chainlink/link 'Chainlink' or 'link'
• Civic/cvc 'Civic' or 'cvc'
• Cred/lba 'Cred' or 'lba'
• Crypto.com Coin/cro 'Crypto.com Coin' or 'cro'
• Dash/dash 'Dash' or 'dash'
• Decred/dcr 'Decred' or 'dcr'
• DigiByte/dgb 'DigiByte' or 'dgb'
• District0x/dnt 'District0x' or 'dnt'
• DogeCoin/doge 'DogeCoin' or 'doge'
• Enjin Coin/enj 'Enjin Coin' or 'enj'
• EOS/eos 'EOS' or 'eos'
• Ethereum/eth 'Ethereum' or 'eth'
• EthereumClassic/etc 'EthereumClassic' or 'etc'
• EtherZero/etz 'EtherZero' or 'etz'
• Expanse/exp 'Expanse' or 'exp'
• FreiCoin/frc 'FreiCoin' or 'frc'
• GameCredits/game 'GameCredits' or 'game'
• GarliCoin/grlc 'GarliCoin' or 'grlc'
• Gnosis/gno 'Gnosis' or 'gno'
• Golem/gnt 'Golem' or 'gnt'
• HedgeTrade/hedg 'HedgeTrade' or 'hedg'
• Hush/hush 'Hush' or 'hush'
• HyperSpace/xsc 'HyperSpace' or 'xsc'
• iExec RLC/rlc 'iExec RLC' or 'rlc'
• Komodo/kmd 'Komodo' or 'kmd'
• LBRY Credits/lbc 'LBRY Credits' or 'lbc'
• Lisk/lsk 'Lisk' or 'lsk'
• LiteCoin/ltc 'LiteCoin' or 'ltc'
• loki/loki 'loki' or 'loki'
• Loom Network/loom 'Loom Network' or 'loom'
• Maker/mkr 'Maker' or 'mkr'
• Matchpool/gup 'Matchpool' or 'gup'
• MegaCoin/mec 'MegaCoin' or 'mec'
• Melon/mln 'Melon' or 'mln'
• Metal/mtl 'Metal' or 'mtl'
• MonaCoin/mona 'MonaCoin' or 'mona'
• Monero/xmr 'Monero' or 'xmr'
• Multi-collateral DAI/dai 'Multi-collateral DAI' or 'dai'
• NameCoin/nmc 'NameCoin' or 'nmc'
• Nano/nano 'Nano' or 'nano'
• Nem/xem 'Nem' or 'xem'
• Neo/neo 'Neo' or 'neo'
• NeoGas/gas 'NeoGas' or 'gas'
• Numeraire/nmr 'Numeraire' or 'nmr'
• Ocean Protocol/ocean 'Ocean Protocol' or 'ocean'
• Odyssey/ocn 'Odyssey' or 'ocn'
• OmiseGO/omg 'OmiseGO' or 'omg'
• PeerCoin/ppc 'PeerCoin' or 'ppc'
• PIVX/pivx 'PIVX' or 'pivx'
• Polymath/poly 'Polymath' or 'poly'
• PrimeCoin/xpm 'PrimeCoin' or 'xpm'
• ProtoShares/pts 'ProtoShares' or 'pts'
• Qtum/qtum 'Qtum' or 'qtum'
• Quant/qnt 'Quant' or 'qnt'
• RaiBlocks/xrb 'RaiBlocks' or 'xrb'
• Ripio Credit Network/rcn 'Ripio Credit Network' or 'rcn'
• Ripple/xrp 'Ripple' or 'xrp'
• Salt/salt 'Salt' or 'salt'
• Siacoin/sc 'Siacoin' or 'sc'
• SnowGem/sng 'SnowGem' or 'sng'
• SolarCoin/slr 'SolarCoin' or 'slr'
• SOLVE/solve 'SOLVE' or 'solve'
• Spendcoin/spnd 'Spendcoin' or 'spnd'
• Status/snt 'Status' or 'snt'
• Stellar/xlm 'Stellar' or 'xlm'
• Storj/storj 'Storj' or 'storj'
• Storm/storm 'Storm' or 'storm'
• Swarm City/swt 'Swarm City' or 'swt'
• Synthetix Network/snx 'Synthetix Network' or 'snx'
• TEMCO/temco 'TEMCO' or 'temco'
• TenX/pay 'TenX' or 'pay'
• Tether/usdt 'Tether' or 'usdt'
• Tezos/xtz 'Tezos' or 'xtz'
• Tron/trx 'Tron' or 'trx'
• TrueUSD/tusd 'TrueUSD' or 'tusd'
• VertCoin/vtc 'VertCoin' or 'vtc'
• Viberate/vib 'Viberate' or 'vib'
• VoteCoin/vot 'VoteCoin' or 'vot'
• Waves/waves 'Waves' or 'waves'
• Wings/wings 'Wings' or 'wings'
• ZCash/zec 'ZCash' or 'zec'
• ZClassic/zcl 'ZClassic' or 'zcl'
• ZenCash/zen 'ZenCash' or 'zen'

var WAValidator = require('multicoin-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('multicoin-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.

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

var currency = WAValidator.findCurrency('xrp');
if(currency)
      console.log('This currency exists');
else
      console.log('Currency INVALID');

// As this is a valid currency symbol 'This currency exists' will be logged to console.

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

var currency = WAValidator.findCurrency('random');
if(currency)
      console.log('This currency exists');
else
      console.log('Currency INVALID');

// As this is not a valid currency symbol 'Currency 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'.