{"slug":"notes-toward-unified-identity-across-devices","title":"Notes toward unified identity across devices","kind":"Note","blurb":"The problem statement that became the Identity board.","published":"2025-10-04","board":"identity-for-two-readers","cite_as":"Xooplab (2025). \"Notes toward unified identity across devices.\" xooplab.com/publications/notes-toward-unified-identity-across-devices","read_minutes":4,"claims":[{"id":"notes-toward-unified-identity-across-devices#claim-1","text":"Cross-device identity today is a UX trick over fundamentally fragmented credentials."},{"id":"notes-toward-unified-identity-across-devices#claim-2","text":"An agent acting across two of a user's devices is treated as two different agents by most identity providers."},{"id":"notes-toward-unified-identity-across-devices#claim-3","text":"A unified, revocable agent identity needs to be portable in scope, not just present on each device."}],"url":"https://xooplab.com/publications/notes-toward-unified-identity-across-devices"}