What if you died, and your kid inherited your btc. However the only transaction posted is from an xmr address to btc, so there are no records of how that btc came to be. That's all the kid has for records. There used to be __?__ xmr and it was traded to btc more than a year ago before the kid received the btc.
So, as far as the kid, and gov, and anyone else know, it's just btc that existed after a trade from xmr years back. Now it's just btc that sat for years, then the kid inherits it upon the death of his/her father who left them the private keys.
Is there a tax that the government would want on this?
And if for the country, can anyone please explain how it might work in the US?
Also, what differences would it make if someone lived in Puerto Rico, or even Russian tax laws, or any other nation they want to feel free to talk about?
I understand what odolvlobo is generally correct. The original cost basis will not matter when paying death taxes.