Most exchanges require a government-issued ID, such as a passport, national ID card, or driver’s license
https://www.tekedia.com/ethereum-investing-2025-wallets-fees-taxes/. Additionally, they may ask for proof of address, like a utility bill or bank statement. Verification ensures compliance with anti-money laundering (AML) and know-your-customer (KYC) regulations, and it usually takes a few minutes to complete, though it can take up to 24 hours during busy periods.