The designers have relinquished the awkward “work affirmation calculation” for the special “share affirmation calculation” called Ouroboros.
Cardano is a blockchain-based biological system for irrefutable shrewd contracts. The undertaking's establishment is scholastic research and logical methodology. The initial step for Cardano was to build blockchain's settlement layer - ADA cryptographic money as a local advanced cash of the system. After the initial step is completed, the group will proceed to the more complex 'register layer' that will present a useful contract.
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