The original "Hard Money". On the Island of Yap, these massive limestone discs served as a public ledger. Ownership was known by community consensus rather than possession. Basically, a physical Blockchain 500 years ago.
 | submitted by /u/Prestigious_Mine_321 to r/Bitcoin [link] [comments] |
![[link]](https://i.redd.it/cegteigc0qgg1.jpeg){kind=link}