What is the Oracle's Problem? Best Blockchain Oracles Projects

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To the ancient Greeks, an oracle was a person who imparted knowledge from another world. In blockchains, oracles help blockchains gain external data. While blockchain oracles may not be prophetic, blockchains and smart-contracts (the code that automates blockchain transactions) cannot access external data on their own, they need an oracle to do it. Blockchain data is deterministic, meaning it has a sequence. Normal data is non-deterministic, meaning there’s no mechanism that proves the order by which the data was created. The problem is that oracles can ruin the decentralized data of blockchains. How?

Видео What is the Oracle's Problem? Best Blockchain Oracles Projects канала Natu Innovations Inc. Media