The Prisma Risk team published a historical analysis comparing different price oracle designs for the Prisma ecosystem, focusing on how they affect miner/maximal extractable value (MEV) and user execution quality. The study reconstructs past liquidation and trading scenarios under alternative oracle configurations, with particular emphasis on using the Curve pool oracle instead of the current setup. According to the analysis, if Prisma had implemented the Curve oracle during the examined period, MEV opportunities for bots would have been lower and users would have received systematically better effective exchange rates in many transactions. The report evaluates the volatility, accuracy, and robustness of Curve’s time‑weighted price oracle versus other options, and links those properties to how easily bots can exploit short‑lived price deviations. By smoothing prices and anchoring them more tightly to on‑chain liquidity conditions, the Curve oracle would have reduced the frequency and severity of oracle mispricing events that MEV bots target, thereby shifting value from arbitrageurs back to protocol users. The findings are meant to inform future risk and oracle design decisions for Prisma and similar protocols, highlighting that oracle choice is not only a technical parameter but also a key determinant of user outcomes, protocol risk, and the distribution of value between users and MEV searchers.

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