Glossary

Learn about the terms and concepts used in Passkeys’ documentation.

Term	Definition
MPC	Multi-Party Computation: A cryptographic protocol that allows multiple parties to jointly compute a function over their inputs while keeping those inputs private.
Passkey	Technically, a cryptographic credential generated using FIDO2 (specifically WebAuthn for web use) for passwordless authentication. It’s a unique public-private key pair bound to a user account and relying party, with the private key stored on the user’s authenticator device (hardware usb key, phone…). However we (Passkeys Foundation ) also refer to “Passkey” as the “Passkey wallet” – the software application that you unlock with your passkey.

Term

Definition

MPC

Multi-Party Computation: A cryptographic protocol that allows multiple parties to jointly compute a function over their inputs while keeping those inputs private.

Passkey

Technically, a cryptographic credential generated using FIDO2 (specifically WebAuthn for web use) for passwordless authentication. It’s a unique public-private key pair bound to a user account and relying party, with the private key stored on the user’s authenticator device (hardware usb key, phone…). However we (Passkeys Foundation ) also refer to “Passkey” as the “Passkey wallet” – the software application that you unlock with your passkey.

Glossary

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