The Graveyard of Good Ideas

Bitcoin didn’t emerge from nothing. It was the last in a long line of attempts — each one smart, each one principled, each one falling short for a specific reason.

DigiCash, created by David Chaum in 1989, was arguably the first real attempt at digital cash. It used cryptography to create anonymous digital payments. It was technically brilliant. It failed because it still required a central company to operate — and that company went bankrupt in 1998. One central point. One point of failure.

E-gold, launched in 1996, allowed people to hold and transfer gold digitally. It grew to millions of users. It was shut down by the US government in 2007 for facilitating illegal transactions. Again — one central company, one point of seizure.

b-money, proposed by Wei Dai in 1998, described a system remarkably close to Bitcoin — decentralized, cryptographic, peer-to-peer. It was never actually built. Just a proposal.

Bit Gold, designed by Nick Szabo around 1998, came even closer — a decentralized digital currency with proof-of-work. Also never fully implemented.

HashCash, by Adam Back in 1997, introduced proof-of-work — the computational puzzle that Bitcoin uses to secure its network. A building block, not a complete system.

Satoshi cited several of these directly in the Bitcoin whitepaper. Bitcoin is not a rejection of these ideas but their synthesis — taking what worked from each and solving what didn’t.

Every failure taught something. Bitcoin is the lesson learned.

Tomorrow: January 3, 2009 — the moment everything changed.

— The Daily Bit