Digital Signature Board

PetitionBoard is a smart contract that enables users to sign a petition on-chain. Each signer is recorded only once to ensure uniqueness. This contract is deployed on Edu Chain.

Features

• 📜 Collects digital signatures for petitions.

• 🔒 Ensures each address can sign only once.

• 📝 Stores the list of signers on-chain.

• 🔍 Provides a function to retrieve all signers.