18h 53min, oct 1, 2016 y - SegWit code is finished by developers, implemented if 95% of miners signal intention to adopt it
Description:
SegWit would be adopted only if 95% of miners signaled their intention to adopt it.
https://bitcoinmagazine.com/articles/long-road-segwit-how-bitcoins-biggest-protocol-upgrade-became-reality/
Added to timeline:
Timeline Scaling Debate
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