DalSemi: Add-Only Memory for Storage of Digital Cash

[Scott Brickner]

Nathan Loofbourrow writes:
>And there's another item of note: each chip has a unique, etched,
>machine-readable serial number. What are the bets that Dallas
>Semiconductor can tell you who purchased that chip? Well, so much for
>an anonymous payment scheme based on *this* product.

Some enterprising cypherpunks can buy a bunch and resell 'em for cash.