Sigma Prime is an information security consultancy, specialised in Blockchain technology, with a strong focus on Ethereum. Sigma Prime team is composed of developers, researchers and security engineers who have come together with the purpose of building a secure and decentralised world. They have performed many smart contract security reviews for prominent Blockchain projects.
Solidified is a community driven auditing service, with 200+ Solidity members on board, where you can set up a bug bounty for your smart contract and have multiple independent auditors work on your audit.
Trail of Bits digs deeper into the construction of smart contracts than any other team because they have invested in building the best available tools - many of which are open source — for assessing the security of smart contracts, the security implications of the Solidity language, and the Ethereum Virtual Machine (EVM). This suite of tools represents their decades of experience in information security, an asset they constantly enrich as chair of the Enterprise Ethereum Alliance Security Task Force, and apply to help keep the community informed about the latest developments in Ethereum security. Contact their consulting practice for unmatched expertise and support with your smart contracts.
Ackee Blockchain is a team of Ethereum and Solana hackers who perform security audits. We also contribute to the blockchain ecosystem by writing open-sourced security tooling.
Arbitrary Execution Inc. (AE) is a team of security researchers with experience in mission critical offensive security capability development for the US Government. Our focus is bringing our offensive security expertise, tactics, techniques, and hacker mindset to securing the crypto ecosystem. AE provides services for smart contract auditing, design consulting, software research and development, and training. AE's security researchers have extensive experience in finding exploitable vulnerabilities both on and off the blockchain and for developing research tools to help in this effort.
Armors is the world's first round of blockchain security services, mainly dedicated to blockchain code audit and smart contract development. Since its establishment 5 years ago, we have served more than 1000+ customers. We are the audit partner of ok, huobi, binance, bithumb, bitfinex and other exchanges. Protected the value of blockchain assets of more than 15 billion U.S. dollars. Compared with competitors, the projects audited by Armors have no problems, and they are better at smart contract development. At the same time, the Armors team has comprehensive capabilities. In addition to the ETH-related ecology, it is very effective on new types of active public chains such as solana, ada, polygon, and metis. , Possess security audit and ecological development capabilities, and is officially recognized.Armors team members come from world-class Internet companies such as Google, Facebook, Baidu, Tencent, and graduated from Berkeley, Carnegie Mellon, Tsinghua, Peking University and other institutions.
Astrobiatech is a leading smart contract auditing company with an essential focus on decentralized finance protocols. We work mainly with EVM-compatible protocols to help increase the security of their contracts.