157 - Client Side Block Filtering
BIP: 157 source Layer: Peer Services Title: Client Side Block Filtering Authors: Olaoluwa Osuntokun Alex Akselrod Jim Posen Status: Deployed Type: Specification Assigned: 2017-05-24 License: CC0-1.0 Requires: 158 Table of ContentsAbstractMotivationDefinitionsSpecificationFilter TypesFilter HeadersNew MessagesgetcfilterscfiltergetcfheaderscfheadersgetcfcheckptcfcheckptNode OperationClient OperationRationaleCompatibilityAcknowledgmentsReference ImplementationReferencesCopyright Abstract This BIP describes a new light client protocol in Bitcoin that improves upon currently available options. The standard light client protocol in use today, defined in BIP 37[1], has known flaws that weaken the security and privacy of clients and allow denial-of-service attack vectors on full nodes[2]. The new protocol overcomes these issues by allowing light clients to obtain compact probabilistic filters of block content from full nodes and download full blocks i...
322 - Generic Signed Message Format
BIP: 322 source Layer: Applications Title: Generic Signed Message Format Authors: Karl-Johan Alm Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0322 Status: Draft Type: Specification Assigned: 2018-09-10 License: CC0-1.0 Table of ContentsAbstractMotivationTypes of SignaturesLegacySimpleFullFull (Proof of Funds)Detailed SpecificationVerificationVerification ProcessSigningCompatibilityReference implementationAcknowledgementsReferencesCopyrightTest vectorsMessage hashingMessage signingTransaction Hashes Abstract A standard for interoperable signed messages based on the Bitcoin Script format, either for proving fund availability, or committing to a message as the intended recipient of funds sent to the invoice address. Motivation The current message signing standard only works for P2PKH (1...) invoice addresses. We propose to extend and generalize the standard by using a Bitcoin Script based approach. This ensures tha...