Introduction Implementing Rock-Paper-Scissors (RPS) on-chain is surprisingly tricky. The moment you choose "Rock" and send a transaction, your opponent can read your move from the public ledger. The game is over before it even starts. I tried implementing a commit-reveal pattern manually, but managing salts, preventing front-running, and ensuring fair judging logic... it quickly became a rabbit
State that survives a docker compose down is one of those things you don't think about, until your test suite needs it, your local dev needs it, and your CI pipeline absolutely doesn't. LocalStack handles persistence with one switch (PERSISTENCE=1) and it's a Pro-only feature. Floci ships four storage modes, all free, all in core, with per-service overrides. Pick the right tradeoff for the job.