BIP38 is a standard process to encrypt Bitcoin and crypto currency private keys that is less susceptible to brute force attacks thus protecting the user.
Coverage remained the same at 100.0% when pulling eaf15b7d0df16bdaa06878c2264e5b4b0b063dd0 on modularify into 9c4af830f1ab5ff33604ac8888361ccec642920e on master.
In relation to https://github.com/cryptocoinjs/coinstring/pull/5