If Paypal doesn't buy them too..
according to this article[1] the valuation is 500m, so less than what PP paid for Braintree..
[1] http://www.independent.ie/irish-news/brothers-vow-not-to-sel...
[1] http://www.independent.ie/irish-news/brothers-vow-not-to-sel...
Survival of the richest not the one with better service.
I don't know if there are other investors than Y Combinator though, there might be one that will push for a sale.
We do have other investors, but (luckily) they're as uninterested in selling as we are. We've always been clear with them that we want to build this for the long-term.