Sort:  

Would you like to pay in bitcoin, ethereum, litecoin or steem? Which has the fastest confirmations, please?

Meh, whichever coin the smart-wallet app decides is best based on what the vendor accepts and user preferences.

Why bring a human into it?

Coin Marketplace

STEEM 0.16
TRX 0.16
JST 0.028
BTC 68431.46
ETH 2457.08
USDT 1.00
SBD 2.60