351 - Private Payments
BIP: 351 Layer: Applications Title: Private Payments Author: Alfred Hodler Clark Moody Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0351 Status: Draft Type: Informational Created: 2022-07-10 License: MIT ==Abstract== This BIP makes it possible for two parties to transact using addresses that only they can calculate. This is done using exclusively on-chain methods and in a manner that minimizes blockchain footprint. Receiving parties can share their payment codes publicly without a loss of privacy, as every sender will calculate a unique set of addresses for each payment code. ==Motivation== A recipient that wishes to receive funds privately has several options. Each has tradeoffs in terms of chain analysis potential, recoverability, and wallet complexity. '''Sharing a static address''' works well enough for one-time payments between two parties as long as the address is shared through a private channel. It does not work well for recurring p...