Coins.ph - Wallet & Crypto Security Engineer
Requirements
• Bachelor s degree or above in Computer Science, Cybersecurity, Cryptography, Software Engineering, Blockchain or related majors, with 1-3 years of working experience in Web3 or blockchain security • In-depth knowledge of MPC, TSS threshold signature and on-chain multi-signature mechanisms, with hands-on experience in permission control, disaster recovery drills and risk investigation • Familiar with the underlying logic of mainstream public chains (BTC, ETH, TRON), with practical capabilities in public chain node operation, RPC interface security hardening and on-chain attack prevention • Strong security risk awareness and sense of responsibility, rigorous working attitude, with in-depth understanding of digital asset and private key security. Experience in wallet security at large platforms is preferred
Responsibilities
• Lead and maintain the security architecture of the company s cold, warm and hot cryptocurrency wallets. Standardize the full lifecycle of private key generation, storage, usage, backup and destruction, ensuring compliance with top-tier standards including FIPS 140-2/3 • Manage security policy configuration, permission grading and isolation for MPC wallets and multi-sig smart contracts. Conduct regular disaster recovery drills to eliminate single points of failure, permission abuse and internal risks • Conduct security hardening and daily operation for full nodes and RPC interfaces of mainstream public chains including BTC, ETH and Tron, defending against node hijacking, Sybil attacks and unauthorized access • Audit the security of business system interactions with external smart contracts such as USDT, USDC and DEXs. Identify and prevent common on-chain vulnerabilities including approval phishing and reentrancy attacks • Bachelor s degree or above in Computer Science, Cybersecurity, Cryptography, Software Engineering, Blockchain or related majors, with 1-3 years of working • in Web3 or blockchain security • Familiar with basic cryptography principles, proficient in public and private key management and encrypted storage, familiar with FIPS 140-2/3 standards and cold/hot wallet architecture • In-depth knowledge of MPC, TSS threshold signature and on-chain multi-signature mechanisms, with hands-on • in permission control, disaster recovery drills and risk investigation • Familiar with the underlying logic of mainstream public chains (BTC, ETH, TRON), with practical capabilities in public chain node operation, RPC interface security hardening and on-chain attack prevention • Familiar with common smart contract security vulnerabilities, able to independently complete contract interaction security audits, risk assessment and problem rectification • Strong security risk awareness and sense of responsibility, rigorous working attitude, with in-depth understanding of digital asset and private key security. • in wallet security at large platforms is preferred • Meaningful cross-functional collaborations that improve customer
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