Likewise, Wikipedia entries are not the product of a single publisher. Sister projects Essays Source. But is not necessary to store a full record of a transaction in a blockchain. Blockchain technology offers new tools for authentication and authorization in the digital world that preclude the need for many centralized administrators. These early digital ledgers mimicked the cataloguing and accounting of the paper-based world, and it could be said that digitization has been applied more to the logistics of paper documents rather than their creation. There are many ways of avoiding these kinds of problems. Bitcoin created something unique: digital property.