#477,120

BIP 91 lock-in block

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Mined

7/23/2017, 3:26:31 PM

Reward

12.5 BTC

Fees

0.05 BTC

Difficulty

804,525,194,568.13

Block hash

0000000000000000015411ca4b35f7b48ecab015b14de5627b647e262ba0ec40

00000000000000000154…e5627b647e262ba0ec40

Block 477,120 locked in BIP 91, the miner-signaling mechanism that made SegWit activation inevitable. It was the climax of the User-Activated Soft Fork movement and defused the most dangerous consensus battle in Bitcoin's history.

Key People

Eric Lombrozo Pieter Wuille

Related Events

July 31, 2017ProtocolLegendary

BIP 91 Locks In — SegWit Path Cleared

Miners signal overwhelming support for SegWit activation.

BTC $2,700#segwit#uasf

May 1, 2017ProtocolMajor

UASF Movement Gains Momentum

Users threaten to reject non-SegWit blocks.

BTC $1,400#uasf#segwit

August 24, 2017ProtocolEpoch

SegWit Activates

Segregated Witness goes live at block 481,824.

BTC $4,200#segwit#upgrade

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