Encouraging blockchain or distributed ledger tech businesses to locate in Arizona probably has something to do with Arizona's interest in making use of it's abundant solar energy resources. For worldwide enterprises, we need to have mining and testbed facilities in the States that can compete with countries with lower or subsidized electricity rates.

"even if that single one has troubles here and there" Not sure I understand. Are these the same kind, degree, salubrity, or extent as the troubles in Windows 10 or IOS?

I am an old school gamer. The last time I got back into gaming after years of absence, someone mentioned farcry 2. I had wanted something like q2, MechWarrior, rb6, tribes, America's army, tf. When you get on servers with other games, old school or solid, it's the quality of gameplay not the game that makes the most difference. Anyway, if I got back into gameplay, other than flight Sims, I'd get that new farcry version set in the Midwest Montana.