Transactions · Maintained 2026

Replace-by-fee

BIP125 opt-in replace-by-fee allows an unconfirmed transaction that signals replaceability to be replaced by a conflicting transaction paying a higher effective fee under node policy rules.

Context

Why it matters

BIP125 opt-in replace-by-fee allows an unconfirmed transaction that signals replaceability to be replaced by a conflicting transaction paying a higher effective fee under node policy rules.

Canonical knowledge

What California Bitcoin maintains

BIP125 opt-in replace-by-fee allows an unconfirmed transaction that signals replaceability to be replaced by a conflicting transaction paying a higher effective fee under node policy rules.

Primary and technical sources

Evidence before assertion

BIP125: Opt-in Full Replace-by-Fee Signaling

Bitcoin BIPs

Tier 1 · primary

Related concepts

Continue through the knowledge graph

Transaction fees Mempool Fee bumping Child pays for parent

Machine accessAgent-ready

https://californiabitcoin.org/api/agent/v1/topic/rbfhttps://californiabitcoin.org/api/agent/v1/search?q=Replace-by-feehttps://californiabitcoin.org/api/agent/v1/coveragehttps://californiabitcoin.org/api/agent/v1/sources