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Even if it’s not about personal riches, I think it’s pretty clear that he’s motivated by scale of impact, which for any for-profit company would likely be strongly correlated with “riches.”

> based on his charitable giving I don't get the impression at all that Jack is motivated by riches.

Well, if you have more riches, you can do more charitable giving, so I don't see why he would not be motivated by the possibility of more riches.

Yeah. I think apart from that he knows how painful is to work with the current payment systems given the trouble they had to go through to get credit card companies work initially with Square to give their card readers for small businesses.

I wouldn't be surprised if that's the reason why FB investigated cryptocurrencies as well, they had/have so much trouble getting payment features approved in different countries.