Segwit2x cancellation

SegWit2x — the second half of 2017's "New York Agreement," a planned hard fork to double base block size roughly three months after SegWit activation — was called off on November 8, 2017, about a week before its expected mid-November fork point. BitGo CEO Mike Belshe announced the suspension in an email co-signed by Wences Casares, Jihan Wu, Jeff Garzik, Peter Smith, and Erik Voorhees, citing failure to build sufficient consensus and the risk of splitting the community. The fork never occurred.

Confidence is medium: the event is exhaustively documented in contemporaneous press and the primary artifact's canonical archive location is cited above, but the message body itself could not be retrieved during verification (archive fetch blocked) — confidence stays capped until someone opens the artifact and confirms.

Nuance: SegWit2x's collapse is a frequently cited precedent in "who governs Bitcoin" debates: an agreement backed by a large share of miners and major companies failed absent support from node operators, developers, and users. That interpretation is widely held but is analysis, not the bare fact.

Common misstatements:

• "SegWit2x forked and died." — It was suspended before forking; no persistent 2x chain launched.
• Conflating SegWit2x (cancelled, November 2017) with Bitcoin Cash (launched, August 2017) — different proposals, different outcomes.