Securing Blockchain Ecosystem

  • 3000+

    Smart Contracts Audited

  • 1,000,575

    Ecosystem Users

  • $502B

    Protected Assets

About Beosin

Beosin is a leading global blockchain security company co-founded by several professors from world-renowned universities and there are 40+ PhDs in the team. It has offices in Singapore, Korea, Japan and other 10+ countries. With the mission of "Securing Blockchain Ecosystem", Beosin provides "All-in-one" blockchain security solution covering Smart Contract Audit, Risk Monitoring & Alert, KYT/AML, and Crypto Tracing. Beosin has already audited more than 2500 smart contracts including famous Web3 projects PancakeSwap, Uniswap, DAI, OKSwap and all of them are monitored by Beosin EagleEye. The KYT AML are serving 100+ institutions including Binance.


Security experts 40+ PhDs


Years of cybersecurity experience

Advanced Technologies

Onchain AI Data Analysis & Formal Verification Technology


Labeled crypto addresses


Identified code vulnerabilities

Beosin Alert See more

Audited Projects

  • OKC2022
  • ANKR2022
  • CakePool2022
  • JGN2022
  • UnoRe2022
  • SeasonSwap2022
  • Hotcross2021
  • Clover2021
  • Aelf2021

Smart Contract Audit

Beosin has audited more than 3,000+ smart contract projects and assisted project parties in discovering and fixing more than 1,000 medium to high-risk security vulnerabilities. These projects come from Ethereum, EVM-compatible chains, Solana, Near, EOS, aelf, and other blockchain platforms. Beosin audits the smart contract in 3 categories: Coding Conventions, General Vulnerability, and Business Security. Combining the results from automated formal verification and manual code review by security experts, Beosin can precisely identify the security problems in smart contracts and assist the project party in fixing them to avoid crypto loss.

NFT Contract

DeFi Contracts

GameFi Contract

Tokens Contracts

Other Customized Smart Contracts

Coding Security Audit

Consensus Security Audit

Account System Security Audit

Asset Security Audit

Application-layer Security Audit

Blockchain Security Audit

Beosin offers a comprehensive audit service of Layer 1 and Layer 2 blockchain platforms with three options. They are Black Box, Grey Box, and White Box audits. The audit covers all aspects of platform architecture and functionalities, including block production, node communication, consensus algorithm, and governance logic. The audit report includes recommendations on fixing identified issues.

Cryptocurrency Tracing

Beosin Cryptocurrency Tracing service helps clients prevent cryptocurrency threats such as scams, ransom, assets transferred into Tornado Cash, and other security incidents and theft cases.

AML Risk Assessment

Real-time Intelligence Notification

Transaction Analysis

Crypto Address Monitoring

Forensics Analysis Report

VaaS (Verification-as-a-Service)

The industry-leading security smart contract verification platform can automatically discover known and unknown vulnerabilities and business logic issues in smart contracts and provide professional recommendations for fixing problems. It applies multi-dimensional detection capabilities, including static scanning, fuzzy testing, and formal verification technologies.

Known Vulnerabilities

Unknown Vulnerabilities

Logical Correctness

Support for Multiple Blockchain Platforms


EagleEye provides 24by7 blockchain security monitoring and notification services. It sends customers real-time security alerts and warnings when it detects risks like hacker attacks, frauds, flash loans, rug pulls through on-chain and off-chain data analysis, and multi-dimensional security assessments.

Transaction Risk Detection

Contract Risk Identification

Threat Intelligence Collection

Project Operation Dashboard

Serving Global Customers


Beosin - Global Web3 Security Report 2022 (Text Version)

January 05, 2023

Global Web3 Security Report 2022 & Crypto Regulatory Compliance Research

January 05, 2023

Beosin and Lemonchain Entered Into A Strategic Partnership

December 29, 2022

Beosin and Singapore Blockchain Innovation Programme Entered Into A Strategic Partnership

December 15, 2022

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