piezzo

nah, i think what apple did is a great implementation if your idea. simple and safe. just tap two phones together and contact info is shared. i think android should be able to do this too. but ofc, it's "Apple-only" like airdrop

you do mind explaining where crypto might have its place?

@mightyweasel thank you very much for all of this information. definitly will add some details about me and a pic later!

@Noki thank you very much! I was looking for something like this.