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Cyber Security

Why Passkeys Beat Passwords

Daniel Okoro · Security Writer, SecureTempMail 5 min read

Passwords get reused, phished, and leaked. One-time codes and passkeys fix the worst of that.

One-time codes (OTP)

A fresh code per login means a stolen code is worthless after use. It's not perfect (codes can be phished in real time), but it raises the bar significantly.

Passkeys

Passkeys use device-bound cryptography. There's no shared secret to steal, and they're phishing-resistant by design — a major leap forward.

Where disposable email helps

If you're building or testing login flows, a disposable email API lets you automate OTP delivery and extraction across thousands of test runs without spamming real mailboxes.