we're are joined by john collison.ave read this perspective and getting my head around this business is particularly tricky. i don't understand this so well. can you coach me? >> yes, i think that alipay has had surprisingly little attention here. alipay is hundreds of millions of consumer accounts in china. we make it easy for websites and mobile apps to accept payments. over the past 10 years, there is the emergence of companies like go pro,subscription services like dropbox. all need specialized payment needs and that is what stripe handles. credit cards are pretty dominant. >> i said that alipay is the dominant payment method in china. it is not, paying with cash is the biggest way. >> if you are a western market and you want to grow internationally, credit cards will only get you so far. this is allowing western markets to grow internationally. this is where merchants cannot only address the so credit cardholders but also the alipay account holders. but there are notions about the business to business deals. but,