Securing Blockchain Ecosystem

3000+
Smart Contracts Audited
1,000,575
Ecosystem Users
$502B
Protected Assets

Beosin VaaS

Improve the security of smart contracts for developers

Beosin EagleEye

Security Assessment, Risk Transactions Identification, and Security Sentiment.

Cryptocurrency Tracing

Help users track the flow of Crypto Assets, monitor suspicious addresses, and assist in recovering assets on the chain.

Blockchain Security Audit

Provide security auditing services in blockchains, smart contracts, and apps with Formal Verification and comprehensive Cybersecurity techniques.

Beosin VaaS

Improve the security of smart contracts for developers

Beosin EagleEye

Security Assessment, Risk Transactions Identification, and Security Sentiment.

Cryptocurrency Tracing

Help users track the flow of Crypto Assets, monitor suspicious addresses, and assist in recovering assets on the chain.

Blockchain Security Audit

Provide security auditing services in blockchains, smart contracts, and apps with Formal Verification and comprehensive Cybersecurity techniques.

Beosin VaaS

Improve the security of smart contracts for developers

Beosin EagleEye

Security Assessment, Risk Transactions Identification, and Security Sentiment.

Blockchain Security Audit

Provide security auditing services in blockchains, smart contracts, and apps with Formal Verification and comprehensive Cybersecurity techniques.

Beosin VaaS

Improve the security of smart contracts for developers

Beosin Eagle Eye

Security Assessment, Risk Transactions Identification, and Security Sentiment.

Cryptocurrency Tracing

Help users track the flow of Crypto Assets, monitor suspicious addresses, and assist in recovering assets on the chain.

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 3000 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.

100+

Security experts 40+ PhDs

20+

Years of cybersecurity experience

Advanced Technologies

Onchain AI Data Analysis & Formal Verification Technology

1Billion+

Labeled crypto addresses

85,000+

Identified code vulnerabilities

Beosin Alert See more

SeaSwapSui rug pulled with 32,787 $SUI. Txs: https://t.co/iPDhNKEKwk https://t.co/XMbqwa2mEr The sender is the owner of the modules’ presale ledger (PresaleStorage object). The owner can call emergency_withdrawal_token () to withdraw all the $SUI and $SEA obtained in the… https://t.co/PTznoAEjHr https://t.co/AqD2TRfolu2 days ago
On May 23, @LOCALTRADERSCL $LCT on BSC was exploited for 380 $BNB ($118K) in tx https://t.co/76yOJpapwG The root cause is that the 0xb5863c10 function lacks a permission check and can be called by anyone to modify the owner. The attacker first sets himself as the owner and then… https://t.co/NIjvFyAY6d https://t.co/w4fiDCxSOZ4 days ago
By repeating steps 2 and 3, the number of $CS tokens in the pair is reduced and the price of CS tokens is increased. As a result, the attacker borrowed 80,000,000 BSC-USD, swapped for 80,954,000 BSC-USD, repaid 80,240,000 BSC-USD, and profited 714,000 BSC-USD.4 days ago
2/ The attacker sold 3,000 $CS. This step will set the sellAmount. 3/ By transferring to himself, the attacker triggers sync(), in which the sellAmount from the previous step is used and the function will burn $CS in the pair. After sync, sellAmount is set to 0. https://t.co/iZhAqa6Zsk4 days ago
$CS token was exploited for $714K in tx https://t.co/8mJLcPQXM6 The root cause is that the sellAmount in the _transfer function is not updated in time. Attack Flow: 1/ The attacker borrows BSC-USD via flashloan and swap into $CS. https://t.co/HpPedS9SGU4 days ago

Audited Projects

Arbswap2023
Ronin2023
DeBox2023
OKC2022
SeasonSwap2022
CakePool2022
ANKR2022
Aelf2021
Clover2021
DODO2021

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.

Coding Security Audit

Consensus Security Audit

Account System Security Audit

Asset Security Audit

Application-layer Security Audit

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

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.