Sender Passport is a proposed standard — a Universal Identity certificate that lets a call, email, or text prove who actually sent it, before it ever reaches you. Getting it built takes more than a working group; it takes support.
Right now, nothing stops a scammer from claiming to be your bank, the IRS, or your own phone carrier — caller ID, email headers, and sender fields can all say whatever the sender wants them to say. Sender Passport closes that gap with three pieces working together: a technical credential system that checks every sender instantly, a governance model that keeps the certificate authority trustworthy across every country and carrier, and an industry effort to get every ISP, inbox, and messaging platform actually checking the passport at the gate.
It's the same enforcement pattern that made STIR/SHAKEN work for phone calls — verified credentials, edge-level enforcement, and a shared revocation list so a bad actor gets cut off everywhere at once — extended to cover digital communication broadly.
Building and testing the credential and verification protocol, and the reference implementation ISPs and platforms can adopt.
Engaging regulators, carriers, and standards bodies to move this from framework to an adopted, enforced standard.
Keeping the project accessible — hosting, documentation, and the discussion boards where verified members work through the details.
Every contribution helps move this from a proposal to a standard carriers and platforms actually enforce. Whatever you can give moves the work forward.
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