Segregated Witness
SegWit
Full title | Segregated Witness (Consensus layer) |
BIP number | BIP 141 |
Type | Miner-activated softfork |
Purpose | Prevent unintended transaction malleability |
Deployment | |
Signalling bit | Bit 1 "segwit" |
Starttime | 2016-11-15 00:00:00 |
Timeout | 2017-11-15 00:00:00 |
Supermajority | 95% of last 2016 block period |
Lock-in | Block #479708 2017-08-08 19:05:58 |
Activated | Block #481824 2017-08-24 01:57:37 |
After the successful activations of P2SH, OP_CLTV, and OP_CSV, SegWit was the last protocol change needed to make the Lightning Network safe to deploy on the Bitcoin network.
See Also
- BIP 141 Segregated Witness (Consensus layer)
- BIP 143 Transaction Signature Verification for Version 0 Witness Program
- BIP 144 Segregated Witness (Peer Services)
- BIP 145 getblocktemplate Updates for Segregated Witness
- BIP 147 Dealing with dummy stack element malleability
- BIP 173 Base32 address format for native v0-16 witness outputs
- Segregated Witness Benefits
- Segregated Witness Wallet Developer Guide