> I want it everywhere badly in west as well as east and middle(-east).
It's already there.
With the exception of the US, almost every country I've traveled to in the Middle East, Asia, and Europe has tap-pay enabled. The Middle East has virtually everyone paying with their phones via NFC. In India Apple Pay doesn't work but when I travel there I can use my phone every time. NFC cards are also the norm.
This is possible because of a concept called a flash loan. Using a smart contract, you can borrow (without collateral) and the smart contract would reverse the transaction if the money is not repaid. There is a cost to borrowing, but in this case it obviously made sense. Cryptocurrency arbitrage bots were some of the first implementations of flash loans that I know of.
I really don't like FG either. I use Roll20[1], but if you are completely home-brew, Owlbear Rodeo[2] is very simple and great. Character sheets on D&D Beyond[3] and the Beyond20 Chrome extension to link DDB and Roll20.
It's already there.
With the exception of the US, almost every country I've traveled to in the Middle East, Asia, and Europe has tap-pay enabled. The Middle East has virtually everyone paying with their phones via NFC. In India Apple Pay doesn't work but when I travel there I can use my phone every time. NFC cards are also the norm.