We’ve got a great Extra Crunch Live chat coming up on Thursday, August 4, that you won’t want to miss. The one and only Max Levchin, is Silicon Valley icon and entrepreneur extraordinaire, is joining us to talk all things tech and fintech. You might know him as the CEO of Affirm, one of the hottest finance startups around right now, but he’s actually been a significant figure in tech in the Valley — and globally — for decades, making his name back in the first dot-com boom, as one…