Help me out InfoSec people. They're completely useless right?
My green card and Global Entry cards came with one. My understanding is that the chips only broadcast an identifier that's then used by the border agents to look me up. What do I care if a third-party knows that I'm traveler #1923782392? I can't find an authoritative source that says anything else is on the chip. Not my address, not my name, nothing.
Is this just one big FUD operation by Big Wallet?