block-size-war

SegWit2x cancelled three days before activation — Mike Belshe ends the New York Agreement (November 2017)

Mike Belshe suspended the SegWit2x hard fork on the mailing list, three days before the planned 2 MB activation at block 494784. The New York Agreement collapsed without a chain split.

Bitcoin Cash splits at block 478558 — the block-size war's first surviving fork (August 2017)

Bitcoin Cash forked from Bitcoin at block 478558, mined by ViaBTC around 12:37 UTC. The 8 MB, no-SegWit chain became the first protocol fork to leave a lasting separate network.

Why Bitcoin's fork wars were not OSS fork wars — the vacuum Satoshi left, the money on top, and the three layers that bind

Why Bitcoin's 2015-2017 fork wars ran as identity contests, not OSS disputes: the post-2011 authority vacuum, the economic weight on rule choices, and the three layers that bound code to currency.

Bitcoin XT launches the block-size war — Hearn and Andresen propose 8 MB blocks (August 2015)

Mike Hearn and Gavin Andresen released Bitcoin XT 0.11A, a Bitcoin Core fork implementing BIP 101 — 8 MB blocks doubling every two years. The launch opened the public phase of the block-size war.

Bitcoin's family tree: forks, altcoins, and the mainline Bitcoin that endured

Genealogy of every Bitcoin protocol fork that left a separate chain alive (Bitcoin Cash, SV, Gold) and the adjacent cryptocurrencies derived from Bitcoin (Namecoin, Litecoin, Dogecoin).