emojaddress

emojaddress-js

Emoji mnemonic for Ethereum and Bitcoin addresses.

Features

Bitcoin and Ethereum address are hard to short-memorize when you navigate websites like etherscan.io or blockchain.info. This project is to ease that

• Transalates address into mnemonic
• Supports mnemonic for English, Chinese and Emoji

Deterministic wallets use mnemonic for private key. The same idea can be applied to public address. It's a matter of encoding eventually. The BTC and Ethereum public addresses are based on a 20 bytes (160 bit) integer. Each dictionary's size is 2048. The address is encoded in 15 mnemonic to cover the entropy.

The Python version is at Python emojaddress

Install

Node.js:

    $ npm install --save emojaddress

    const emojaddress = require('emojaddress').default;

Browser, webpack build:

    $ npm install --save emojaddress
    $ webpack --config ./webpack.config.js

    var emojaddress = require('emojaddress').default;

    # in HTML
    <script src="bundle-front.js"></script>

Usage

    const emojaddress = require('../dist/bundle-back').default;
    var eth_addr = "0x0000000000000000000000000000000000000001";
    var btc_addr = "1thMirt546nngXqyPEz532S8fLwbozud8";
    # Emoji mnemonic
    emojaddress.mnemonic(eth_addr);
    # English word mnemonic
    emojaddress.mnemonic(btc_addr, {"emoji": false, "coin": "btc", "language":"English"});
    # Chinese character mnemonic
    emojaddress.mnemonic(btc_addr, {"emoji": false, "coin": "btc", "language":"Chinese"};

• See example usages here

Credits

• BIP dictionary based on bitcoin project
• Unicode Emoji