A game wallet often starts as a single balance field. That is fine for a prototype, but payment retries and unreliable networks quickly make the number hard to trust. A player can tap “buy,” lose the connection, and try again.

Source: [Dev.to](https://dev.to/zzzu2221/a-game-wallet-is-more-than-a-number-handling-retries-and-concurrency-2al3)

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