Security & Audits
Enterprise-grade security protecting billions in digital assets through defense-in-depth architecture.
Audited Contracts
Smart contracts audited by leading security firms with zero critical vulnerabilities.
Bug Bounty Active
Up to $500K rewards for critical vulnerability discoveries through Immunefi.
Multi-Sig Governance
Protocol upgrades require 5-of-7 multi-signature approval from independent parties.
Security Architecture
Multi-layered defense system protecting user assets
Smart Contract Security
- UUPS Proxy Pattern: Secure upgradeable contracts with admin controls
- Access Control: Role-based permissions (owner, admin, attestor)
- Reentrancy Guards: Protection against reentrancy attacks
- Pause Mechanism: Emergency stop for critical vulnerabilities
- Rate Limiting: Protection against spam and DoS attacks
- Integer Overflow: SafeMath operations for all calculations
Attestation Network
- Byzantine Fault Tolerance: 67% consensus threshold protects against malicious nodes
- Multi-Source Verification: Government, social, oracle data sources
- Reputation System: Node quality scoring and slashing
- Economic Security: Staking requirements prevent Sybil attacks
- Dispute Resolution: 30-day grace period for challenges
Cryptographic Security
- zk-SNARKs: Zero-knowledge proofs for privacy
- AES-256 Encryption: Encrypted content storage on IPFS
- ECDSA Signatures: Message signing and verification
- Key Derivation: BIP39 and BIP32 wallet standards
- Hash Functions: SHA-256 and Keccak-256 for integrity
Cross-Chain Security
- LayerZero Security: Ultra Light Node architecture
- Message Validation: Cryptographic verification of cross-chain messages
- Atomic Operations: All-or-nothing cross-chain transactions
- Replay Protection: Nonce and timestamp validation
- Chain ID Verification: Prevent cross-chain replay attacks
Operational Security
- Multi-Sig Wallets: 5-of-7 approval for protocol upgrades
- Timelock: 48-hour delay on critical operations
- Monitoring: Real-time anomaly detection and alerting
- Incident Response: 24/7 security team and runbooks
- Disaster Recovery: Backup nodes and data redundancy
API Security
- API Keys: Authentication and authorization
- Rate Limiting: Protection against abuse and DDoS
- Input Validation: Sanitization of all user inputs
- HTTPS Only: TLS 1.3 encryption for all connections
- CORS: Restricted cross-origin resource sharing
Audits & Reports
Comprehensive security assessments by industry leaders
Smart Contract Audits
Security Reports
Bug Bounty Program
Help secure AfterCrypt Protocol and earn rewards up to $500,000 for critical vulnerability discoveries.
Responsible disclosure policy. Please report vulnerabilities privately before public disclosure.
Security Best Practices
Guidelines for users and developers
Important Security Notice
Never share your private keys, seed phrases, or API keys. AfterCrypt Protocol will never ask for this information.
For Users
- Use hardware wallets for large amounts
- Enable 2FA on all accounts
- Verify contract addresses before interacting
- Regular security check-ins
- Keep beneficiary information updated
For Developers
- Store API keys in environment variables
- Implement rate limiting on your end
- Validate all user inputs
- Test on testnets before mainnet
- Follow SDK security recommendations