Spending Silent Payment outputs with PSBTs (BIP)

[macgyver13]

Description

Recommends new PSBTv2 field PSBT_IN_SP_TWEAK for exchanging raw or labeled tweak for spending silent payment outputs.

Purpose

This BIP proposes an additional per input field for BIP 370 PSBTv2 that allows BIP 352 silent payment tweaks to be included in a PSBT of version 2. This field will be relevant to silent payment outputs spending.

Repository: bitcoin/bips#2089

Development Team:
Lead: @nymius