199 - Hashed Time-Locked Contract transactions
BIP: 199 source Layer: Applications Title: Hashed Time-Locked Contract transactions Author: Sean Bowe Daira Hopwood Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0199 Status: Draft Type: Standards Track Created: 2017-03-27 License: BSD-3-Clause CC0-1.0 Table of ContentsAbstractSummaryInteractionMotivationLightning networkZero-knowledge contingent paymentsImplementationCopyright Abstract This BIP describes a script for generalized off-chain contract negotiation. Summary A Hashed Time-Locked Contract (HTLC) is a script that permits a designated party (the "seller") to spend funds by disclosing the preimage of a hash. It also permits a second party (the "buyer") to spend the funds after a timeout is reached, in a refund situation. The script takes the following form: OP_IF [HASHOP] OP_EQUALVERIFY OP_DUP OP_HASH160 OP_ELSE [TIMEOUTOP] OP_DROP OP_DUP OP_HAS...
39 - Mnemonic code for generating deterministic keys
BIP: 39 source Layer: Applications Title: Mnemonic code for generating deterministic keys Author: Marek Palatinus Pavol Rusnak Aaron Voisine Sean Bowe Comments-Summary: Unanimously Discourage for implementation Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0039 Status: Proposed Type: Standards Track Created: 2013-09-10 Table of ContentsAbstractMotivationGenerating the mnemonicWordlistFrom mnemonic to seedWordlistsTest vectorsReference Implementation Abstract This BIP describes the implementation of a mnemonic code or mnemonic sentence -- a group of easy to remember words -- for the generation of deterministic wallets. It consists of two parts: generating the mnemonic and converting it into a binary seed. This seed can be later used to generate deterministic wallets using BIP-0032 or similar methods. Motivation A mnemonic code or sentence is superior for human interaction compared to the handling of raw binary or hexad...
123 - BIP Classification
BIP: 123 source Title: BIP Classification Author: Eric Lombrozo Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0123 Status: Active Type: Process Created: 2015-08-26 License: CC0-1.0 GNU-All-Permissive Table of ContentsAbstractCopyrightMotivationSpecification1. Consensus LayerSoft ForksHard Forks2. Peer Services Layer3. API/RPC Layer4. Applications LayerClassification of existing BIPs Abstract This document describes a classification scheme for BIPs. BIPs are classified by system layers with lower numbered layers involving more intricate interoperability requirements. The specification defines the layers and sets forth specific criteria for deciding to which layer a particular standards BIP belongs. Copyright This BIP is dual-licensed under the Creative Commons CC0 1.0 Universal and GNU All-Permissive licenses. Motivation Bitcoin is a system involving a number of different standards. Some standards are abso...