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What Is the “Last Mile Problem” in Oracle Data Delivery?

Off-Chain Consensus $xrightarrow{text{Vulnerable Submission}}$ On-Chain (Final Delivery Risk)
Greeks.Live20.11.25

What Is the “Last Mile Problem” in Oracle Data Delivery?

The last mile problem refers to the final, crucial step of securely submitting the aggregated, off-chain price data onto the blockchain. This step is vulnerable to manipulation, such as a single node going rogue or a transaction being censored or front-run in the mempool.

Decentralized oracle networks mitigate this with threshold signatures and robust transaction submission strategies.

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