Build a comprehensive web3 security environment together with end users and vendors, by providing cutting edge smart contract audits, security consultations and truly valuable security products
Vulnerabilities Found
Assets Rescued
Scam We Detected
On-Chain Attacks Found
SOEX
OKX
Bitget
AsyncFinance
Skytopia
bugrap
CoreDao
Bitlen
XT Exchange
ExVul team has audited thousands of well-known smart contracts, covering public blockchain platforms such as Ethereum, BNB Chain, ,Aptos, Sui, Solana,Stacks, etc. During the audits, we discovered various high and critical level vulnerabilities. Our professional services are also highly recognized and appreciated by many customers.
Read MoreOur security experts have discovered vulnerabilities in many important blockchain protocols, including Aptos, Sui,Stacks, Ethereum, L2 protocol,etc., we have accumulated a lot of security technology. Whether it is L1 or L2 protocol, we can provide professional security services,We will audit the protocol start from coding security, consensus protocol, security vulnerabilities and security risks at the levels of learning, RPC interaction, cryptography security, virtual machine security, data security, economic model security etc. In addition, we can also provide technical guidance during the security development cycle, as well as security consulting, security architecture design and other services.
Read MoreAn extensive crypto wallet security audit, insights on blockchain exchange’s business logic flaws at the wallet layer that can allow a malicious attack to exploit or there is an unknown vulnerability in one of the dependencies that the crypto wallet.
Read MoreWeb3 Threat Intelligence is data collected, processed, and analyzed to understand the motivations, targets, and behaviors of blockchain hackers. It enables us to make faster, more informed, data-supported security decisions and change the behavior of threat actors from reactive to proactive in the fight against them.
Read MoreExvul’s security team helped us solve many security issues. They are not only familiar with the security of Solidity contracts, but also professional in the security audit of TON and Solana contracts. Compared with other security companies, which only conduct simple audits, we trust Exvul more and we will maintain cooperation for a long time!
For DeFi, contract security is of paramount importance, which is one of the reasons why BitLen chose to collaborate with Exvul. Their thorough and meticulous approach to contract auditing provided us with invaluable insights and enhanced our overall security. Exvul’s team demonstrated a deep understanding of blockchain technology and a commitment to excellence, ensuring that our project met the highest standards of safety and reliability. We are highly satisfied with their services and would recommend Exvul to any project seeking top-notch auditing expertise.
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Founder of Exvul web3 security, Nolan has 12 years of experience in cyber security, having worked as an expert at Huawei ,360 and as a co-founder of numencyber.
Security Auditor
Taiger is an early blockchain security researcher. He has worked as a blockchain researcher in many well-known Web3 security companies. He has audited a large number of blockchain projects and discovered many medium- and high-risk vulnerabilities.
Security Auditor
He is interested and familiar with code audit,always try to learn new things. He has audited many projects and loves competitive stuff.
Security Researcher
He has audit projects including Nervos, Cosmos, and AVAX, successfully identifying vulnerabilities across diverse blockchain modules. His contributions have been acknowledged with a $50,000 bug bounty, His work in analyzing source code verification services already published at NDSS
Senior Penetration Testing Expert
kevin has 10 years of network security experience, focusing on penetration testing, red team attack and vulnerability mining field; in the field of penetration attack and defense, after legal authorization, invasion simulation to show the harm and give solutions; also focus on business logic security, found a number of exchanges funds arbitrarily manipulated, private key leakage and other issues. Also in the continuous mining of open source products in the security holes, access to apache, spring thanks and 360, Doo Elephant Technology’s vulnerability bonus.
Security Researcher
Norman holds a Bachelor’s in Mathematics from the University of Wisconsin,found many bugs at Code4rena and Immunefi,Now as Strategy and Operations Lead at ExVul, Norman drives innovation in blockchain security.
Security Auditor
UPON is a seasoned enthusiast focused on Web3 security, actively engaged across multiple blockchain ecosystems including Solidity, Move, Fuel, and Starknet. He not only actively participates in the community contributions of these platforms’ open-source projects but also possesses significant code auditing experience. He has successfully audited several blockchain projects.
Security Auditor
He is a PhD at NTU and has conducted comprehensive audits of numerous cryptocurrency wallets, exchanges, and decentralized applications (DApps). Through his meticulous research, he has identified several critical vulnerabilities, including security flaws in blockchain explorers, token anti-money laundering (AML) systems, and cross-chain bridges. His discoveries have led to recognition and bounty rewards from prominent cryptocurrency platforms like OKX and Coinbase
We focus on cyber Security and Threat Detection and Response, and provide industry-leading Cyber Security Solutions, which can completely cover all cyber security requirements of all kinds application scenarios.
