According to Adam Back, pools using sv2/datum run a trust-the-pool model. Source: Adam Back, X, Sep 5, 2025. He adds that a pool could reject pool shares with JPEGs or any other content it chooses to block, meaning attempts to bypass pool preferences cut both ways. Source: Adam Back, X, Sep 5, 2025. For traders, pool-level filtering in Stratum V2 can influence which transactions are ultimately included in blocks and the resulting Bitcoin fee mix during content-heavy periods. Source: Stratum V2 Project documentation; Glassnode Analytics.