If the sender doesn't, one can assume he didn't send the coins.
ROFL M0ner0's entire transnational solution is based on assumptions and manually providing view keys to provide proof of purchase. Clunky much?
Good luck going mainstream or being used for any type of day to day transaction....that as well as 50x worse scalability than bitcoin.
Monero vision: Providing drugs, child porn and weapons to the worst 0.00001% of society. I think we can all agree thats where it is now, and thats where its going to stay!
Anyways, back on topic to Dash!
I like DASH and XMR, but I have to ask you why you think Monero is only for drugs, child porn, weapons, crime stuff?
If someone got or can get information about your income someone will ask where it comes from, be jealous and worst of all..
They are gona take some of it, and just cause they think they earn it!
put yourself in have the situation of having been and bought beer and selling a few trucks a friend, then I'll come and take some of the money that you owe me .. you win a lot of money, so I'll have a part of it .. you have been working alot latly cause you and your family needs a bigger house, then i yell YOU THERE! Where does this cash comes from? Well never mind, I'll take at least 20% of it! Cause you owe me that!
That's the way it is when you have to share some of the things that concerns you