The Tide Foundation, a nonprofit organization that’s building an open-source framework for protecting personally identifiable information, has developed a blockchain-based encryption scheme that it claims is vastly more difficult to crack than other methods. Its approach uses a technique called “splintering” in which encrypted username/password pairs are broken up into small pieces and scattered across an assortment of storage devices with blockchain used to reassemble the encrypted data on demand. Blockchain is a peer-to-peer distributed ledger technology that enables trusted transactions between anonymous parties.

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