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World’s Oldest Blockchain is in the New York Times Since 1995 invented by cryptographers Stuart Haber and Scott Stornetta @absoluteproof

Instead of posting customer hashes to a public digital ledger, Surety creates a unique hash value of all the new seals added to the database each week and publishes this hash value in the New York Times. The hash is placed in a small ad in the Times classified section under the heading “Notices & Lost and Found” and has appeared once a week since 1995.

2019-02-05T22:16:28+00:00October 2nd, 1995|Blockchain, History|