Doesn't matter if the US offers tax breaks to hashers. Offer them enough sats to work for your own Stratum endpoint so that the USG gets to keep your KYCed coins while you receive pristine coinbase UTXOs.
"Render unto Cesar the things which are Cesar's; and unto God the things that are God's."
Sí. En el parámetro stratum.vardiff_min de la configuración json.
Mechanic estuvo haciendo pruebas con Braiins y me recomendó subir este parámetro a 524288 (es 2^19). Por defecto OCEAN usa una dificultad mínima de 2^17, pero parece ser que para minar a hashrates altos es mejor subir el mínimo en el gateway.
Important to mention that the gateway works with any kind of Bitcoin node you want to use (Core v30, Core pre v30, Knots, BIP-110, ProductionReady when available, whatever).