Beosin VaaS – Automatic Security Detection Tool, Make Your Smart Contract Secure in Web3.0

Beosin VaaS - Automatic Security Detection Tool

As one of the cores of the blockchain ecosystem, smart contracts have developed rapidly in the past few years, and they have significant advantages in scenarios with multiple participants and complex transactions. In recent years, with the frequent outbreak of security incidents in the blockchain ecosystem, the security of blockchain platforms, especially smart contracts, has become an obstacle to the forward development of this new technology.

In the era of Web 3.0, the smart contract automatic security detection tool – VaaS was developed by Beosin for security issues.

Free Trial:


What is Beosin VaaS?

Beosin Vaas is a Smart Contract Automatic Security Tool based on formal verification technology, which core team members have accumulated over 20 years of experience in

Beosin VaaS provides static scanning, fuzzy testing, and formal verification capabilities for smart contract codes. The platform supports 100+ testing items including traditional vulnerabilities and business logic correctness on multiple public blockchains such as ETH, BSC, MATIC, AAVE, ONT, EOS, etc., with an accuracy rate of above 97%. It can precisely locate the risky codes while giving recommendations to help developers improve the security of smart contracts.



Just upload the contract and the platform will automatically detect it.


Customized configuration for different blockchain platform parameters.


Support inter-call between multiple contracts, able to verify the properties between contracts.


The vulnerability report presents the vulnerabilities details including types and severity and also modification suggestions.

Our Advantages

Expert in formal verification

We are one of the first companies in the world to apply formal verification to the blockchain. With over 20 years of experience in formal verification technology, we have audited thousands of smart contracts.

High-accuracy security testing

Automatic testing to locate the code vulnerabilities with an accuracy up to 97%.

Support multiply mainstream blockchain platforms

Supporting ETH, BSC, MATIC, AAVE, ONT, EOS, etc.

Easy formal specifications

Formal specifications are written directly in contract language. No additional efforts in learning specification language.


Beosin is a leading global Web 3.0 blockchain security company co-founded by several professors from world-renowned universities. The team consists of 100+ security experts, including 40+ PhDs and postdocs. The core team members have accumulated over 20 years of experience in formal verification technology, cybersecurity, artificial intelligence & big data mining technology.

With the mission of “Securing Blockchain Ecosystem”, Beosin focuses on the security of Web3.0 and metaverse, providing integrated blockchain security services and products to serve 1 million+ users in the global blockchain ecosystem.

The services of Beosin include smart contract audit service, blockchain platform audit service, and On-chain Asset Tracing Service. Beosin product clusters include Smart Contract Security Detection Tool (Vaas, based on formal verification), EagleEye situation awareness platform, CryptoCurrency regulation & source-tracing analysis platform.

Beosin has conducted security audits on more than 2,000 smart contracts and projects in the global blockchain and Web3.0 ecosystem identified 85,000+ code vulnerabilities and has successfully protected over $500 billion in assets with zero security incidents for all audited projects, which are fully recognized by our partners and their users.

If you need any blockchain security services, please contact us:

Beosin Twitter:
Beosin Alter Twitter:

To Top

Pin It on Pinterest

Share This