nostr:npub1alfl36gqvz8ad0u9r6txwdzmes3r69dwlpwm70h9ezhwgwkm2g4szqyyx4 neither is full proof. If it only beacons every 15m, sniffing won’t pick it up. If I open it, someone could Uncle Ted me.

Maybe I could build an old school X-ray machine, but even that would be dubious.

Can you imagine me masking up with a hazmat suit and pulling a blast shield out of my car to open mail in the parking lot? Hilarious.