Which is as close to "unregulated" as useful definitions go: once unleashed and bootstrapped, no human nor political organization can directly drive it. It's only self-regulated the way a free market is self-regulated, which is almost the exact opposite of what one has in mind when they talk about "regulations".

(Actually governments can influence its value significantly, by stating on its legality, and the legality/taxation of its conversion into state moneys / commodities).