What are Blockchain Oracles?

Blockchain oracles connect external data to smart contracts on the blockchain. They do this by providing the smart contract with the necessary data to execute its terms and conditions. Oracles can retrieve data from various sources, such as APIs, web pages, and other off-chain systems. They then digitally sign the data and send it to the smart contract on the blockchain, which can then use the data to trigger the execution of the contract. Oracles are important for making smart…