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How Your Phone Helps Strangers Find Lost Wallets
Ever wonder what happens when you toggle on "help find other people's devices"? Your phone joins a global blind courier network. This episode breaks down the elegant cryptography behind Bluetooth tracker meshes — how Pebblebee, AirTag, and Tile trackers use rotating public keys and encrypted location blobs so relay phones can help without knowing what they're carrying or for whom. We explore why Apple's Find My and Google's Find My Device networks don't talk to each other (and why that might change), the negligible bandwidth cost of participation, and the sustainability tradeoffs between…
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