utils. improve fromBase58.
utils. improve fromBase58.

VidaID/bcoin,decentraland/decentraland-node,decentraland/bronzeage-node,decentraland/decentraland-node,decentraland/decentraland-node,decentraland/bronzeage-node,decentraland/bronzeage-node,VidaID/bcoin,VidaID/bcoin