Tag smart-contact

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.
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…

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