!!! Overview
[{$pagename}] is a [Web Authentication API] [WebAuthN] [Authenticator|WebAuthn Authenticator] which is an [Implementation] of the [WebAuthn Authenticator Model] and is typically a [Security Key] that can connect to multiple [WebAuthn Client Device], and interaction [MUST] be negotiated over a supported transport [protocol].  

[{$pagename}]s may be:
* [Touch ID]  with a [Secure Element]
* [Fingerprint] reader with a [Secure Element]
* [PIN] and Touch sensor with a [Secure Element]
* [Virtual Authenticators]

[{$pagename}] may support [CTAP1], [CTAP2], or both [protocols].[Examples] of [{$pagename}]s might include [USB] security keys, [BLE]-enabled [Mobile Device] applications, or [NFC]-enabled proximity cards.  

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]