🎄Cryptmas Emoji Challenge - Day 7 ☃️

Today's emoji code is 🔮📡📊🔀

🧩 Instructions: (1 English word) Third party service that provides smart contracts with external information. Serving as a bridge between the blockchain and the outside world.

ID : A third party service that provides smart contracts with external information. Serving as a bridge between the blockchain and the outside world.