In “The Bitcoin Standard” Ammous compares bitcoin to the Rai stones from the island of Yap. Years ago one of the stones fell into the ocean but still was recognized as money because everyone agreed that it must still be there. Bitcoin is like that Rai stone but the blockchain allows us to verify it!

[Stone money under the sea](https:// https://n.pr/2LZCCmG) via /r/Bitcoin http://bit.ly/2KsmTcA