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oracle_abuse.md

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gmx oracle abuse


tl; dr


  • october'22 oracle abuse: the thesis was that while the gmx team runs bots to update prices by making calls to SetPriceWithBit(), mev operators can observe these price updates in the mempool before they are on-chain.
  • also in october'22, a new oracle was deployed (XGET), allowing for information to be verified on-chain while providing frontrunning resistance (by having nodes sign a combination of blockhashes and values).


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