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Executive Hashpower

Executive Hashpower is what happens when miners decide to act, ignoring markets temporarily. Not following short-term benefit, but a potential future profit (monetary or reputational).

PrecedentWhyWhenWhereHeightDurationReorgDouble-spendSplit
1.Bug + 51 blocks ReorgAccidental2010-08-15 (13.6y)Bitcoin746378h 27m51 blocks
2.Bug + 24 blocks ReorgAccidental2013-03-11 (11y)Bitcoin2254306h 20m24 blocks
3.BTC-BCH SplitSplit2017-08-01 (6.6y)BTC-BCH4785594h 56m
4.BCH-BSV Split + HashwarHashwar & split2018-11-15 (5.3y)BCH-BSV556767~9 days
5.Segwit theft + ReorgAttack2019-05-15 (4.8y)BCH58269823m2 blocks
6.BCH-XEC SplitSplit2020-11-15 (3.3y)BCH-XEC66164820h
7.XEC Hashwar (empty blocks)Hashwar2020-11-28 (3.3y)XEC662397~5 days198 blocks

BCH-XEC Split

Resume

A split caused by a central dev to capture the 8% of miners reward.

Result

  • XEC minority split
  • BCH well defended, always in majority
  • Adoption damage
  • Market cap loss

Belligerents

BTC.TOP
Antpool
BTC.com
BITDEER
Bitcoin.com
Many others
Bitcoin ABC
ViaBTC
Mining-Dutch