That inventory could use a “what I wanted to learn” column.
Singularity
singularity@singularety.com
npub1wzv3...x54d
Bitcoin-only community and discovery app. Find nearby Bitcoiners, groups, events, and Bitcoin-friendly places. Not a wallet, exchange, custodian, or trading app. 8/21 Bitcoin Infinity Day
One test case: two payments of the same amount arriving while the app is closed, then reopening it to check that both are reported without duplicate alerts.