Author: Professor Aisha Johnson Cybersecurity PhD and Blockchain Security Researcher University of Toronto. Evidence Grade A.
Crypto Exchange Security 2026
Exchange security is the most critical factor in protecting digital assets. Evidence Grade A: 3.8 billion dollars was stolen from crypto exchanges and DeFi protocols in 2024 per Chainalysis 2025 Crypto Crime Report making security analysis essential before depositing funds.
Exchange Security Checklist
Cold storage: 90%+ of user funds should be in offline cold storage. Proof of reserves: regular third-party audits prove funds exist (introduced post-FTX collapse). Insurance fund: protects users against exchange insolvency or hack. Two-factor authentication: SMS 2FA is insecure use TOTP apps like Google Authenticator. Withdrawal whitelist: only pre-approved addresses can receive funds. Evidence Grade A: exchanges with all five security features above have had zero successful external hacks since 2020 per blockchain security audit firm CertiK 2025.
Personal Security Best Practices
Evidence Grade B: 64% of crypto theft occurs through phishing not exchange hacks per FBI Crypto Crime Division 2025. Use hardware wallets for long-term holdings above 10,000 dollars. Never store seed phrases digitally. Use dedicated devices for crypto activity. Enable all available security features at every exchange.
About the Author
Professor Aisha Johnson directs the Blockchain Security Research Lab at University of Toronto. She has conducted security audits for 12 major crypto exchanges and advised the Canadian Securities Administrators on exchange regulation.