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SATWEI
Security notice

Segregated Witness Benefits

Original on bitcoincore.org

Source
Bitcoin Corebitcoincore.org
Originally published
Original length
13 min read
Language
English

SATWEI summary

Third-party malleability ends for transactions whose inputs are all segwit spends, because signatures move to a witness that no longer feeds the txid. Wallet authors and the Lightning Network both gain from that. Signature hashing also turns linear, with each byte hashed at most twice; a single block has taken 25 seconds to validate under the old scheme.

From the original

Linear versus quadratic

Tags

  • CVE
  • Mining
  • Scaling
  • SegWit

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