Ask/Knowledge Atlas/Transaction sequence
Transactions · Maintained 2026

Transaction sequence

Bitcoin transaction input sequence values participate in relative locktime and replacement semantics, including BIP68 relative timelocks and replaceability signaling under BIP125 policy.

Context

Why it matters

Bitcoin transaction input sequence values participate in relative locktime and replacement semantics, including BIP68 relative timelocks and replaceability signaling under BIP125 policy.

Canonical knowledge

What California Bitcoin maintains

  • Bitcoin transaction input sequence values participate in relative locktime and replacement semantics, including BIP68 relative timelocks and replaceability signaling under BIP125 policy.

Primary and technical sources

Evidence before assertion
BIP68: Relative lock-time using consensus-enforced sequence numbers

Bitcoin BIPs

Tier 1 · primaryBIP125: Opt-in Full Replace-by-Fee Signaling

Bitcoin BIPs

Tier 1 · primary

Related concepts

Continue through the knowledge graph
CHECKSEQUENCEVERIFYReplace-by-feeCHECKLOCKTIMEVERIFY
Machine accessAgent-ready
https://californiabitcoin.org/api/agent/v1/topic/sequencehttps://californiabitcoin.org/api/agent/v1/search?q=Transaction%20sequencehttps://californiabitcoin.org/api/agent/v1/coveragehttps://californiabitcoin.org/api/agent/v1/sources