What is a Blockchain Oracle?

A blockchain oracle is a data feed that sources information from off-chain systems and enters it on the blockchain for smart contracts use.

What Are Blockchain Oracles? - The Basics, Types, And Problems

What is an Oracle in Blockchain

What is a blockchain oracle and how does it work? - PrimaFelicitas

What is an Oracle in Crypto?

Blockchain oracle framework (a graphical representation)

What is a Blockchain Oracle? Basic Principles to Advanced Applications - HeLa Labs

What Is an Oracle in Blockchain? » Explained

Why oracles such as Chainlink are so important. : r/CryptoCurrency

Developing DApps on Oracle Blockchain Platform - A Developer's Guide

What are Blockchain Oracles? - Coin Bureau

Oracle – Blockchain Patterns

Blockchain: Oracle ready to reduce friction in business-to-business transactions by eliminating the need for