Unocoin, India's oldest centralized cryptocurrency exchange, reported unauthorized access to its servers on November 9 and suspended user logins. On-chain analytics firm Arkham revealed that the exchange's 81,000 tracked addresses now hold zero balances, while its official website returns a 504 error. Related on-chain fund movements remain under investigation as of November 12. Monitoring service Onchain Lens flagged the activity, drawing attention to potential security vulnerabilities in the Indian crypto market.