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💎 Crypto Payment Handler

$9.99

Accept Bitcoin, Ethereum, USDC, and Litecoin without any payment processor. Verifies wallet addresses, polls for transaction confirmations, supports multi-chain routing, and fires callback hooks when payment is confirmed. No third-party accounts required — just wallets and public blockchain APIs.

What’s Included

✓ Wallet address validator for BTC, ETH, USDC, and LTC
✓ Transaction monitor with configurable confirmation thresholds
✓ Multi-chain payment router (detect coin, route to right handler)
✓ Payment confirmation callback hooks
✓ Underpayment/overpayment detection and tolerance settings
✓ Payment expiry timer with configurable window
✓ README with testnet setup guide
✓ MIT License — use in any project

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🔒 Secure checkout via Stripe · Instant digital download · Python stdlib only · Python 3.10+