Nick Szabo

In 1998, Szabo designed a mechanism for a decentralized digital currency he called "bit gold". Bit gold was never implemented, but has been called "a direct precursor to the Bitcoin architecture."
He may thus be called a coiner of bits.
See Smart Computing.
Smart Contracts: Building Blocks for Digital Markets Copyright (c) 1996 by Nick Szabo
The Idea of Smart Contracts, Copyright (c) 1997 by Nick Szabo