- Under the terms of the MOU, CertiK will provide auditing and smart contract security services for NEXUS and the CROSS ecosystem.
December 22, 2025 – CertiK, the world’s largest Web3 security services provider, has signed a Memorandum of Understanding (MOU) with NEXUS, the blockchain infrastructure behind South Korea-listed company CROSS Protocol, to enhance security, auditing practices, on-chain risk monitoring, and stablecoin infrastructure across the CROSS ecosystem. The agreement marks the beginning of a long-term collaboration between the two organizations as adoption accelerates in on-chain gaming and digital asset transactions that require robust security safeguards.
Under the terms of the MOU, CertiK will provide auditing and smart contract security services for NEXUS and the CROSS ecosystem. The company will also support regulatory frameworks for Asia-based stablecoin initiatives and contribute on-chain risk monitoring capabilities to help identify emerging threats. These efforts will help maintain a secure foundation for NEXUS’s payment infrastructure and the broader CROSS ecosystem that is currently in development.
In the area of business development, CertiK will work closely with NEXUS to jointly formulate its Asia market expansion strategy, while progressively broadening the scope of collaboration with a focus on Web3 security and enterprise blockchain solutions.
“As stablecoin and on-chain gaming continue to grow, the industry’s need for trustworthy security, clear governance, and strong compliance has never been more important. Our partnership with NEXUS is an important step toward advancing security standards across Web3. We look forward to working closely with NEXUS to support the ecosystem’s long-term growth and innovation,” said Ronghui Gu, CEO and Co-Founder of CertiK.
NEXUS CEO Hyun-guk Chang stated, “Trust, security, and regulatory readiness are core elements in expanding the blockchain ecosystem. Our collaboration with CertiK will not only secure global-level security standards but also become a turning point that accelerates NEXUS’s business expansion.”
CertiK has supported more than 5,000 projects globally and safeguarded an estimated six hundred billion dollars in digital assets. The company offers penetration testing, Skynet, SkyInsights, KYC verification, and node services that help organizations strengthen their Web3 security posture. The partnership with NEXUS reflects CertiK’s broader efforts to build safer digital ecosystems as blockchain technologies mature.
About CertiK
CertiK is the largest Web3 security services provider, leveraging advanced formal verification technology to protect blockchain protocols and smart contracts. Founded in 2017 by Yale and Columbia professors, the company brings academic innovation to enterprise-scale applications, becoming one of the fastest-growing and most trusted names in blockchain security. CertiK has secured over $600B in digital assets, served 5,000+ clients, including Aptos, Ripple, Sandbox, Polygon, BNB Chain, and TON, and identified more than 180,000 code vulnerabilities. Backed by top-tier investors such as Sequoia, Coatue, Goldman Sachs, Shunwei Capital, and Insight Partners, CertiK is valued at over $2B.
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About NEXUS
NEXUS is a South Korea–based game company listed on KOSDAQ since 2015, recognized for its strong multi-platform development capabilities. As the development partner behind CROSS Protocol, NEXUS builds on-chain products and infrastructure that let studios integrate Web3 features effortlessly, enabling wallet-optional onboarding, gas-free microtransactions, and smooth player movement across games and ecosystems. Beyond protocol development, NEXUS publishes and supports multiple titles within the CROSS ecosystem, working with partners to create a fair and sustainable global gaming environment. The company is dedicated to shaping the next era of player ownership and studio growth by making Web3 invisible until essential and indispensable when it is.
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