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's a blockchain oracle? Information oracles & external data feeds

What are Blockchain Oracles, & How Does It Work?

Blockchain Oracles Explained: What Is a Blockchain Oracle?

Can blockchain solve its oracle problem? – Cointelegraph Magazine

Digital Oracles Explained: Bridging the Gap Between Blockchains and the External World

Blockchain Oracles and their Problems - FWX

What is a Blockchain Oracle? A Detailed Overview

What Are Blockchain Oracles and Why Do We Need Them?

What is Chainlink & Blockchain Oracle

Blockchain Oracles- The Key To Scalability And Interoperability

What are blockchain oracles?

Blockchain Oracle problem. Download Scientific Diagram