1. I care enough to pay cash when possible, even if it means rounding up my share for something like a split restaurant bill. I would hope Signal's implementat

1. I care enough to pay cash when possible, even if it means rounding up my share for something like a split restaurant bill. I would hope Signal's implementation makes it so you don't have to worry about volatility or exchanges. 2. This assumes you and your friend are both communicating with each other via Signal.