Tag smart-contact

Smart Contract

Agreeable Smart Contracts

Who decides whether to terminate a smart contract? Who decides whether a smart contract should change state? The answer, of course, is that who decides these things is encoded into the smart contract itself, and it will be different for…

Ethereum Oracle

Ethereum Smart Contracts and the Oracle Problem

“Provable”, formerly known as “Oraclize”, is a service known as an ‘oracle’, built specifically to address this problem. An oracle acts as a relay by aggregating data from external sources such as random number generators, price tickers & computational engines. Once the data is collected, the oracle feeds it into a smart contract.

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