Fifteen years ago today, December 12, 2010, Bitcoin's enigmatic creator Satoshi Nakamoto posted their final message on the Bitcoin Forum, signing off with a casual update on the codebase before vanishing into digital obscurity—leaving behind a revolutionary protocol that would birth a $1.85T industry and challenge global finance.

This abrupt exit, just 21 months after the whitepaper's release, fueled endless speculation: Was Satoshi a lone genius, a CIA project, or a group of cypherpunks? Nakamoto's last email to developer Gavin Andresen in April 2011 reiterated "I've moved on to other things," transferring control and ensuring Bitcoin's decentralized ethos endured without a central figurehead.

Today, as BTC hovers at $93,500 amid ETF booms and halving cycles, Satoshi's ghost looms large—holding an estimated 1.1M BTC untouched since 2009 (worth ~$100B), a silent testament to the pseudonymous pioneer's vision of peer-to-peer electronic cash free from intermediaries. The disappearance underscores crypto's resilient, leaderless core, inspiring forks like Bitcoin Cash while reminding us that true innovation often thrives in anonymity.