Hacken, Blockchain Security & Compliance is a kyc compliance firm based in Lisbon, Portugal that hacken is a blockchain security firm providing smart contract audits, penetration testing, on-chain monitoring and web3 compliance services. serving over a thousand clients, it works to reduce losses from defi and crypto exploits. in 2025 the company restructured its leadership and expanded into stablecoin, ai and advisory offerings. They serve clients in Portugal, Ukraine, United Arab Emirates. Hacken, Blockchain Security & Compliance is listed on The Token Playbook's vetted provider registry at thetokenplaybook.com/registry/hacken-blockchain-security-compliance.