backend-contest

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KOR1K1 / CryptoBotContest

🏆 #1 Winner ($2,500) of Telegram @cryptobot Backend Contest. Production-ready, high-concurrency digital asset auction system. Features immutable financial ledger, race-condition protection (MongoDB TX & Redis locks) and real-time WebSockets.

typescript telegram-bot socket-io concurrency redis-lock nestjs high-load financial-ledger mongodb-transactions backend-contest

Updated Jan 23, 2026
TypeScript

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