This is a fork of https://github.com/bitcoinjs/bitcoinjs-lib for monya with simple zcash(overwinter support).
Copyright (c) 2011-2017 bitcoinjs-lib contributors Copyright (c) 2018 karel-3d Copyright (c) 2018 wo01
You should not use this if you don't have to support zcash, since it's not as well maintained and tested as bitcoin.js.
Read README at original bitcoinjs-lib
Version 3.3.2 is rebased on upstream 3.3.2