This mod adds Bitcoin mine to the game.
You can mine these mines with the RTX 3090 Pickaxe.
You can sell the bitcoins you get from BTC Bank device and convert them to Emerald.
Also, when you find Elon Musk and right click on him, Elon Musk's twitter profile appears.
When you press the "Change Bio" button, you write #bitcoin to Elon Musk's bios and the bitcoin value in the game increases.