Moves of 2015
Markets & VenuesBitcoin & Mining
Pieter Wuille Splits the Signature, and Bitcoin Splits Too
Pieter Wuille proposed segregated witness in Hong Kong in December 2015, and 97.5 percent of Bitcoin transactions spent SegWit in September 2026.
ProtocolsLayer 1s & Infrastructure
Fabian Vogelsteller Files Issue 20, and Tokens Follow
Fabian Vogelsteller posted a six-function token standard in 2015; by October 2026, Ethereum and Tron, which matches it, held 77.3 percent of dollar stablecoins.
Rules & RiskSecurity & Incident Response
Tigran Gambaryan Seizes 69,370 Bitcoin, Then Nigeria Seizes Him
IRS agent Tigran Gambaryan traced corrupt agents, BTC-e and Welcome to Video, then spent eight months held in Nigeria as a Binance executive.
Markets & VenuesBitcoin & Mining
Joseph Poon and Thaddeus Dryja Bolt a Network Onto Bitcoin
Joseph Poon and Thaddeus Dryja posted the Lightning Network paper in February 2015, and public channels fell from 81,755 to 32,518 between 2022 and 2026.
