for Question 1:
I do not understand about the taxation of crypto in US, because I stay in INDONESIA.

for question 2 :
I stay in Indonesia, in our country cryptocurrency is set only to the extent of digital currency, may not be done in general transactions in buying and selling in the market and shops or in the mall. but crypto may be done in the internet market. while in the banking crypto still can not do the transaction because it is still considered crypto as a currency that has not been recognized as the world currency.

For question 3 :
I think all types of crypto having different price different depending on the needs of crypto, as it his monero, zcash and others have market price always increase. this proves that crypto very popular in the market as investment assets and needs. price each crypto currently exceed of price first time they launched, there has reached 1000% in fact exceed it all, like xrp recent in a few days increased exceed 150% of the price before. this was the one that lead to the entire crypto that exist in the market definitely will continue to increase the price.