Hosho focuses exclusively on blockchain security services, and their work includes smart contract auditing and penetration testing. Their clients include exchanges, ICOs and other businesses leveraging Blockchain technology.

Smart contract audit process


Run contract through proprietary tooling to identify critical risks early on.

Custom static testing

Full suite of custom static tests providing the highest code coverage possible.

Manual contract review

Assembly level manual contract review. Providing the most rigorous auditing process available in the global market today.

Penetration testing

During Hosho’s signature penetration testing process, our experienced team of white hat hackers — which has helped secure such tech powerhouses as Facebook, Google, and Coinbase — utilizes cutting edge tools and techniques to find all possible attack vectors and vulnerabilities, with especially careful analysis paid to crypto-specific areas of sensitivity.

Audit reports


"Hosho Group is one of the most trusted and professional smart contract auditors and specialists. It was a great pleasure working with them and will refer to our partners as well."

Alexi Lane, CEO & Founder of Everex

"We were very pleased with the professional execution of our smart contract audit. The project was delivered on time and delivered the detail we required. We would be pleased to recommend Hosho.io to any other team needing to audit their project.""

Steven Sprague, CEO of Rivetz Corp.

"Hosho was highly responsive to our needs and displayed expertise in auditing CRYPTO20's smart contracts and token ecosystem. They were invaluable in giving us confidence in our code."

Daniel Schwartzkopff, Crypto20