What is the benefit of a retailer or business in US letting its customers pay via bitcoin?
All coins whether,
BTC, altcoin, tokens can be used worldwide through p2p transactions, it's just that officials on some countries are afraid and stupid enough that's they banned cryptocurrencies instead of regulating it, it will boost their economy if handled correctly but no, all they want is to corrupt.
why do bitcoin and altcoins have the same value all over the world?
It's not but mostly the same, markets decided it, depending on what exchange they're using.
What is the benefit of a retailer or business in US letting its customers pay via bitcoin?
The same thing to trading, some of them hodl and store their holdings for long term then sell if they take profits. Also, to have more options of payment, since anyone can use
BTC without any international fees barrier that charges too high.
How do you trade bitcoin?
Simple, buy low sell high, but it's not easy as you do. It's to broad to explain maybe you should read some on google. Just remember that no one can predict the value of
BTC, all of them are pure speculations.
