If you have been active in blockchain space for a while, you must have heard about oracles. If you haven’t…
What is an oracle?Oracle is something that reports external data to a blockchain.
Blockchains are deterministic systems. This means that all of the data in the blockchain must be verifiable at any moment. Hence, they can’t rely on external data, which can change at any time.
How oracles enable Smart contracts to access external dataThis problem is solved by an entity called ‘Oracle’, which..