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The Age of CryptoCurrency, the recently released book by Wall Street Journal reporter Paul Vigna and senior columnist Michael J Casey, has been permanently recorded on bitcoin’s public ledger, the blockchain.

The book is the first by a major publisher with its exposure and interest to have a time-stamped digest recorded in the blockchain, actively demonstrating the technology beyond just the subject of the book.

Digital Currency Council (DCC) director of curriculum Dan McArdle copied the book into Block 341705 using the firm’s Blockchain Recordation Toolbox, which allows DCC professionals access to blockchain recordkeeping for clients. The process used open source platform Proof of Existence.

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