This week's list of top stories in fintech: Nubank files to go public The filing is private but we know it exists. May mean a public filing by year end. Filed in both the U.S. and Brazil. Biggest fintech IPO ever? Chime In Talks To Go Public At $35 Billion To $45 Billion Valuation Targeting a March 2022 IPO Revenue will be $900m - $1b this year At a $45b valuation Chime would be a top 50 bank in the world. Stripe Strikes Tie-Up With Klarna After Frenzy of Rival Deals Stripe retailers ...