Seen today on eBid: http://dk.ebid.net/for-sale/1-awesome-brand-new-bitnote-bitbill-107764070.htm
I like this concept of keyfree coins and bills - its an easy way to pass bitcoins in daily life.
Physical coins/bills with a priv key can be unfunded by anybody knowing the key, what makes them worthless - and the "wallet-keys-blockchain" system is much too complicated for the average Joe.
Keyfree bills could be circulated just like cash money - e.g. for tips or gifts - as their nominal value is fixed forever.
Topic: Key-free physical Bitcoins! (Read 706 times)
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