Questão de Língua Inglesa

Choose lhe correct option to complete lhe text below. A blockchain oracle is a device or entity that a deterministic blockchain with off-chain data (data outside of lhe network). Blockchain oracles are essentially third-party services that provide smart contracts with externai information. Blockchain oracles as a bridge between blockchains and lhe outside world. They it possible for smart contracts on blockchains to access offchain data. Due to contractual agreements and other methods of key information needed by blockchain applications, it is often imperative to have relevant information from the outside world present to execute the agreement in question. This is lhe point where blockchain oracles play. (Adapted from http://makeuseof.com)