Peiyu Wang is a Staff Security Engineer at CertiK with years of professional experience in security assessments and blockchain technology, specializing in application penetration testing and smart contract audit. Prior to joining the CertiK, Peiyu was a security consultant at Harbor Labs and NCC group, where he focused on software development and security assessments. Peiyu holds a Master's degree in information security from Johns Hopkins University, as well as professional industry certifications, which include Offensive Security Certified Professional(OSCP) and Offensive Security Web Expert (OSWE)