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conformance · v145

v145 · secure-payment-confirmation-browser-bound-keys — conformance probe

6 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://w3c.github.io/secure-payment-confirmation/#sctn-browser-bound-key-store chromestatus: #5106102997614592 generated 2026-06-01T08:14:32Z by conformance-author-v1-subagent
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id contract kind verdict detail
payment-request-exists PaymentRequest is exposed — the surface that invokes Secure Payment Confirmation flows. exists
payment-request-show-is-function PaymentRequest.prototype.show is a function — the call that triggers SPC and, with browser-bound keys, signs over an extra device-bound key. typeof
secure-payment-confirmation-supported Secure Payment Confirmation feature detection is available when implemented, with WebAuthn still exposed as the underlying credential surface. spec ↗ script
credentials-container-exists navigator.credentials is exposed — SPC credential creation and assertion ride the WebAuthn surface that now also returns a browser-bound key signature. exists
public-key-credential-exists PublicKeyCredential is exposed — SPC assertions are PublicKeyCredential instances; the new browser-bound signature is carried alongside. exists
subtle-crypto-available crypto.subtle is exposed — the browser uses platform crypto to mint the device-bound key pair. exists