RT: A decentralized oracle can only validate data 𝐚𝐟𝐭𝐞𝐫 it’s written to the database. This is similar to how blockchain nodes can only agree on the state of the chain 𝐚𝐟𝐭𝐞𝐫 blocks are created.
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RT：分散的oracle只能验证数据𝐚𝐟𝐭𝐞𝐫 它被写入数据库。这类似于区块链节点只能就链的状态达成一致𝐚𝐟𝐭𝐞𝐫 创建块。
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