Some of the pieces found include a Casascius bitcoin (the first physical bitcoin ever made), a 2002 Shining Charizard Pokémon card, antiques from a shipwreck and George Washington’s jelly glass.

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 ...

“BitMEX will mint a one-of-a-kind physical bitcoin, similar to the Casascius coins of 2013, which will be delivered to the moon by Astrobotic,” according to the release. “The coin will hold one ...