They only owe tax on what they earn through price speculation (e.g. if I send my buddy $1k in Eth, and he sells Eth for $1.2k, he pays tax on $200 only. If he s

They only owe tax on what they earn through price speculation (e.g. if I send my buddy $1k in Eth, and he sells Eth for $1.2k, he pays tax on $200 only. If he sells for $0.8k, it's a loss, and he can do the tax writeoff on the $200)