Mission Workspace•Role: Marketplace Integrator, Seller Wallet

Integrate Public Asks

Create, sign, and publish portable public asks (listings) with SIGHASH_SINGLE | ANYONECANPAY, allowing anyone to purchase on-chain.

Prerequisites Checklist

✓Confirmed digital asset outpoint (Inscription or Rune)

✓Payment address receiving proceeds

Active Stage: understand

Understand Mechanics

Learn how SIGHASH_SINGLE enables trustless, portable listings without custodial escrow.

Target Tool: Review Guide

Structured state transfers seamlessly without manual copy-and-paste.

Stage Invariant: Protocol invariants and non-custodial boundaries reviewed.

Completed stages: 0 of 8

Mission Completion Criteria

PSBT passes structural binary parsing

Deterministic example

Purchase reference verifier passes invariants 1 & 2

Protocol verification

Order registered in gateway catalog

Gateway observation