database-integrity

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shezanyo / Orpon

Orpon (অর্পণ) is a cryptographically verifiable crowdfunding platform for Bangladesh. It secures local donations (bKash, Nagad, cards) using a SHA-256 local hash-chain ledger and anchors state batches to the public Polygon Amoy blockchain. Rebuilding trust in social giving through mathematical proof.

react express cryptography azure blockchain polygon solidity node-js crowdfunding transparency web3 bangladesh database-integrity

Updated Jul 14, 2026
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