Hexens is a blockchain security firm founded in 2021 and based in London, United Kingdom. The company provides cybersecurity services with a critical focus on blockchain technology. Its work covers blockchain security, cryptography, autonomous AI, and broader AI technology applications. The firm serves clients in the blockchain, protocols, and critical infrastructure sectors.
The company reports having completed over 300 engagements, securing digital assets valued at over $120 billion, with zero post-audit exploits recorded. Its audit reports yield critical or high-severity findings in 90% of cases, and the firm maintains a 91% client retention rate. Hexens secured $4.2 million in seed funding.
The team includes senior security researchers who are CTF champions and bug bounty leaderboard veterans. The firm employs two independent security teams working in parallel on every engagement, using rigorous line-by-line code reviews augmented by frontier AI technology.






