Bitcoin Networking and Relay BIPs Articles

Bitcoin Core peerbloomfilters made simple. See what the feature does, where its limits sit and which checks node or wallet operators should make.

BIP 133 fee filters explained: learn how Bitcoin peers announce feerate thresholds, reduce wasted transaction relay and preserve filter privacy.

BIP 144 SegWit relay made simple. See what the proposal changes, its current status and what it means for Bitcoin users and operators.

BIP 111 NODE_BLOOM explained: understand service-bit discovery, protocol version 70011, legacy SPV compatibility, privacy and node DoS controls.

BIP 112 CHECKSEQUENCEVERIFY made simple. See what the proposal changes, its current status and what it means for Bitcoin users and operators.

BIP 130 Sendheaders made simple. See what the proposal changes, its current status and what it means for Bitcoin users and operators.

BIP 61 reject messages explained: understand codes, reasons, transaction or block hashes, privacy limits and why modern nodes may not send them.

BIP 37 Bloom filters explained: review filtered-block relay, false positives, privacy leakage, resource risk and why modern clients moved away.

BIP 36 custom services explained as a closed peer-extension framework, including service identifiers, namespaced commands and compatibility risks.

BIP 33 stratized nodes explained as a closed lightweight-node proposal, including service queries, quorum assumptions, privacy risks and modern context.

BIP 31 Pong Message made simple. See what the proposal changes, its current status and what it means for Bitcoin users and operators.

How Bitcoin Soft Forks Work made simple. See the main facts, costs, risks and practical checks before you make a decision.