The answer
An exchange may ask you to identify or verify control of self-hosted wallets for compliance purposes.
What to do next
Follow the platform's self-custody flow and avoid sharing private keys or recovery words.
CoinJar crypto exchange
Australian-market exchange programme; local availability must be confirmed. Availability, supported assets and local eligibility must be checked before signing up or buying.
Visit CoinJar crypto exchange ↗Official provider link · Compare suitability and availability before choosing.