0xMedia Deep Dive: What are oracles? Why does Web3 need them?
The blockchain itself is "closed" and cannot directly access real-world data, but smart contracts often require external information when executing, such as $BTC prices, stock data, weather conditions, and even sports results. So, how does the blockchain obtain this information? The answer is Oracle.
Oracles are the bridge between blockchain and the real world, ensuring that smart contracts on the chain can obtain accurate, reliable, and real-time data. Today, let’s talk about 4 representative oracle projects: RedStone, Pyth, Supra, and API3, and see how they solve the data transmission problem 👇 1 reply
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