A man hid 5 boxes across the US with more than $2 million worth of treasure inside
They include a Casascius bitcoin (the first physical bitcoin ever made), a green Colombian emerald, a 2002 Shining Charizard ...
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Bitcoin investor hides $2 million worth of treasure in small boxes
He then spent the past five years buying valuables like a Casascius Bitcoin - the first-ever physical Bitcoin, a green Columbian emerald, a 2002 Shining Charizard Pokémon card, antiques from a ...
PC Magazine3y
physical crypto
See crypto coin. A year after Bitcoin launched, Utah-based Mike Caldwell began minting the Casascius coin, which served as a cold crypto wallet for bitcoins. It was a brass coin into which the ...