I think you misunderstood the flow. You want to 1.make sure it has been really paid, 2. make sure the solution really IS a solution and that can only be said by the owner which you, yes trust here. If its helpful a withdraw-link is generated for the PR-Creator. In the below flow you risk paying non-solutions/bs, cashu or not doesnt mind.

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gittr — Nostr git, issues, PRs & Lightning bounties

Mirror git repos to Nostr relays, run issues and pull requests with signed events, publish gittr Pages, discover Nostr apps, and fund work with Lig...