wrap up the conference
summary
Wrap up covers two concrete builds that worked: Pawboost (pawboost.com) uses targeted Facebook ads and local alerts to reunite lost pets — multiple success stories including a dog found after six weeks — and runs in English-speaking countries with plans to localize. The other is a working Bitcoin Lightning faucet: a single QR gives repeated small sats, invoice redemption via BlueWallet, implemented with the LNURL PHP library, and a background wallet that issues many tiny payments reliably.
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