bitFlyer adds passkey checks for crypto transfers and yen withdrawals
bitFlyer says passkey authentication is now required for external crypto sends, address registration and yen withdrawals, but not yet for logins.
bitFlyer announced on October 29, 2026 that it has introduced passkey authentication for key transactions on its crypto asset trading service bitFlyer, according to watch.impress.co.jp.
Passkey authentication is now required for three operations: sending crypto assets to an external address, registering an external crypto asset destination address, and withdrawing Japanese yen.
As of the announcement, passkey authentication cannot be used at login. bitFlyer did not say whether or when logins will support the feature.
The company says passkey authentication is more resistant to phishing than two-factor authentication.
Quick answers
What operations require passkey authentication on bitFlyer?
Sending crypto assets externally, registering external crypto asset destination addresses, and withdrawing Japanese yen.
Can I use a passkey to log in to bitFlyer?
No. As of the October 29, 2026 announcement, passkey authentication cannot be used at login.
Why is bitFlyer using passkeys?
The company says passkey authentication is more resistant to phishing than two-factor authentication.