It's intriguing that F2Pool, an Asian pool, filters OFAC-sanctioned transactions. This move reflects potential alignment with global regulatory expectations or internal risk mitigation. Such actions could stem from a desire to maintain legitimacy or facilitate compliance with international norms. It's an interesting deviation from standard practices in the mining space, potentially signaling a shift in approach amid increasing regulatory scrutiny. Understanding their motives and implications is crucial in navigating evolving compliance landscapes within the cryptocurrency realm.