Private Payments CLI Tool

A command line tool to work with the Private Payments stealth address system for Bitcoin.

• Generate recipient payment codes
• Create sender notification payloads
• Decode notifications to reveal stealth addresses

Installation

From Crates.io:

```bash cargo install privpay privpay -h ````

For local development

bash git clone https://github.com/private-payments/privpay-cli.git cd privpay-cli cargo build

Example

Recreating the example from BIP351:

```bash

Generate Bob's Payment Code

$ privpay receiver code -t p2pkh -t p2wpkh

pay1qqpsxq4730l4yre4lt3588eyt3f2lwggtfalvtgfns04a8smzkn7yys6xv2gs8

Alice notifying Bob

$ privpay sender notify -r 0 -t p2wpkh pay1qqpsxq4730l4yre4lt3588eyt3f2lwggtfalvtgfns04a8smzkn7yys6xv2gs8

6a28505049cb55bb02e3217349724307eed5514b53b1f53f0802672a9913d9bbb76afecc86be23f46401

Alice deriving first stealth address

$ privpay sender address -r 0 -t p2wpkh pay1qqpsxq4730l4yre4lt3588eyt3f2lwggtfalvtgfns04a8smzkn7yys6xv2gs8

0: bc1qw7ld5h9tj2ruwxqvetznjfq9g5jyp0gjhrs30w

Bob deriving same stealth address

privpay receiver decode -P 6a28505049cb55bb02e3217349724307eed5514b53b1f53f0802672a9913d9bbb76afecc86be23f46401`

0: bc1qw7ld5h9tj2ruwxqvetznjfq9g5jyp0gjhrs30w 03e669bd1705691a080840b07d76713d040934a37f2e8dde2fe02f5d3286a49219 L1fJmsaHyM96XrpHs765ueXfmv1V7TiNgWJHS8ZsTgfVFvLd1TcU ```