Protocol
ProtocolEpoch
SegWit Activates
Segregated Witness goes live at block 481,824.
SegWit activated on mainnet, increasing effective block capacity, fixing transaction malleability, and enabling the Lightning Network. Bitcoin's most important upgrade until Taproot.
Tags
#segwit#upgrade
What else happened around this time?
LightningLegendary
Lightning Network Whitepaper
Joseph Poon and Thaddeus Dryja publish the Lightning Network paper.
#lightning#scaling
ProtocolMajor
UASF Movement Gains Momentum
Users threaten to reject non-SegWit blocks.
BTC $1,400#uasf#segwit
ProtocolLegendary
BIP 91 Locks In — SegWit Path Cleared
Miners signal overwhelming support for SegWit activation.
BTC $2,700#segwit#uasf
ForksLegendary
Bitcoin Cash Hard Fork
Contentious fork creates Bitcoin Cash at block 478,558.
BTC $2,800#bitcoin-cash#fork