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Updated:Apr 23, 2026
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Scaling debate, SegWit deployment, and the Bitcoin Cash hard fork (2015–2018)

Scaling debate, SegWit deployment, and the Bitcoin Cash hard fork (2015–2018)

  1. Bitcoin Core 0.11.2 ships key soft-fork groundwork

    Labels: Bitcoin Core
  2. SegWit proposal is assigned as BIP141

    Labels: SegWit, BIP141
  3. Bitcoin Classic proposes a 2 MB hard fork

    Labels: Bitcoin Classic
  4. Bitcoin Unlimited enters the scaling debate

    Labels: Bitcoin Unlimited
  5. BIP91 is defined to coordinate SegWit signaling

    Labels: BIP91
  6. Bitcoin Cash splits from Bitcoin at block 478,558

    Labels: Bitcoin Cash, BCH
  7. Bitcoin Cash introduces emergency difficulty adjustments

    Labels: Bitcoin Cash
  8. SegWit locks in after sufficient miner signaling

    Labels: SegWit
  9. SegWit activates on Bitcoin at block 481,824

    Labels: SegWit, block 481824
  10. Bitcoin.org warns users about SegWit2x risks

    Labels: Bitcoin org
  11. Bitcoin Cash replaces EDA with a new DAA

    Labels: Bitcoin Cash
  12. Bitcoin Cash raises block size limit to 32 MB

    Labels: Bitcoin Cash