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HASH: 0x0004...2025.09

Beatoz Faucet

Developer Tools

System Description

Solo-built faucet monorepo (contract + API + UI) for testnet token distribution with abuse controls and async processing.

Technologies

NestJSReactViteRadix UIBullRedisTailwind CSS
Beatoz Faucet
ROLE: SOLO_DEVELOPERDOMAIN: BLOCKCHAIN
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PROBLEMThe Challenge

Needed to throttle abuse and confirm on-chain transactions reliably under concurrent requests, while keeping claim status observable in the UI.

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SOLVEDThe Solution

Implemented contract-side cooldown/blacklist rules, reCAPTCHA + Redis rate limit/cooldown, and Bull queue processors for claim execution with confirmation polling/retry. Shipped a claim UI with address validation and transaction status checks.

Technical Deep Dive

Overview

  • ▶Solo-built faucet service (contract + API + UI) for developer token distribution.

Key Components

  • ▶Contract-side abuse controls (cooldown/blacklist patterns)
  • ▶Backend async processing via Bull/Redis for broadcast + confirmation tracking
  • ▶reCAPTCHA + Redis rate limiting for request throttling