Name	Name	Last commit message	Last commit date
parent directory ..
contracts	contracts
scripts	scripts
.env.example	.env.example
README.md	README.md
hardhat.config.ts	hardhat.config.ts
package.json	package.json
tsconfig.json	tsconfig.json

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CredStack

Verifiable credentials on ProbeChain Rydberg Testnet (Chain ID 8004).

Features

Issue Credentials — Authorized issuers create credentials with type, data hash, and expiry.
Credential Chains — Link credentials to parents for provenance tracking.
Delegation — Issuers can delegate issuance power to others.
Verify & Revoke — Anyone can verify; issuer or owner can revoke.
Auto-Expiry — Expired credentials are marked on verification.

CredentialStack.sol — Solidity 0.8.24, EVM London, inline Ownable / ReentrancyGuard / Pausable.

cp .env.example .env
npm install
npx hardhat compile
npx hardhat run scripts/deploy.ts --network rydberg

Parameter	Value
Network	ProbeChain Rydberg Testnet
RPC	https://proscan.pro/chain/rydberg-rpc
Chain ID	8004
EVM	London