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Add sign-in with fingerprint or face (passkeys) and per-site anonymous IDs to a Node or PHP app

Add sign-in with fingerprint or face (passkeys) and per-site anonymous IDs to a Node or PHP app

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3 min read
How teams are actually removing passwords in 2026

How teams are actually removing passwords in 2026

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3 min read
Passkeys at Scale on Android: An Error Taxonomy, an Eligibility Gate, and a Fallback You Can Trust

Passkeys at Scale on Android: An Error Taxonomy, an Eligibility Gate, and a Fallback You Can Trust

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12 min read
WebAuthn backup state: what passkey synchronisation does to assurance

WebAuthn backup state: what passkey synchronisation does to assurance

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4 min read
🔑 Reusing passkeys across environments — browser edition

🔑 Reusing passkeys across environments — browser edition

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6 min read
FIDO2 security key vs passkey for AAL3

FIDO2 security key vs passkey for AAL3

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4 min read
Google AI Classroom Part 4: Defeating Proxy Attendance & Lab Keyloggers with WebAuthn Passkeys, Rotating HMAC QRs & GCIP Blocking Functions

Google AI Classroom Part 4: Defeating Proxy Attendance & Lab Keyloggers with WebAuthn Passkeys, Rotating HMAC QRs & GCIP Blocking Functions

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13 min read
WebAuthn errors: NotAllowedError, InvalidStateError and more

WebAuthn errors: NotAllowedError, InvalidStateError and more

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6 min read
I checked 40 sites for /.well-known/passkey-endpoints. 11 of the 34 I could measure publish it

I checked 40 sites for /.well-known/passkey-endpoints. 11 of the 34 I could measure publish it

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3 min read
Why your analytics can't see passkey failures (and what to measure instead)

Why your analytics can't see passkey failures (and what to measure instead)

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2 min read
Passkeys Explained: The Password Replacement That Logs You In With Your Face or Fingerprint

Passkeys Explained: The Password Replacement That Logs You In With Your Face or Fingerprint

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2 min read
The Passwordless Future: An Engineering Guide to Replacing Passwords

The Passwordless Future: An Engineering Guide to Replacing Passwords

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6 min read
Passkey Account Recovery: Designing for Lost Devices

Passkey Account Recovery: Designing for Lost Devices

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23 min read
Passkeys in In-App Browsers: The API Is There, but It Won't Work

Passkeys in In-App Browsers: The API Is There, but It Won't Work

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7 min read
AAGUID policies for passkeys: what they really enforce

AAGUID policies for passkeys: what they really enforce

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4 min read
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