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Scattered around the sites of ancient Mesopotamia are thousands of devices called cylinder seals. They are equal parts stamp, credit card, and jewelry. They were how people signed for things and proved who they were in the days before paper. It’s a fascinating relic of a time long past and proof that the same issues of authentication that blockchain was developed to solve have been a part of humanity from day one.
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0:00 – Intro
1:32 – Federal Authenticity
3:20 – Ancient Identification
4:40 – Advantages of Cylinder Seals
7:31 – Seals as Status Symbols
9:20 – Eventual Decline
11:25 – Sponsor – Brilliant