Banking-as-a-service, banking-as-a-platform, platform-as-a-service, open banking and open application program interfaces (APIs) are all terms being used by fintech companies who are building innovative products for banks; the long term question is will the banks buy or partner with this technology and in a banking system like the US how wide will adoption need to be for the banking system as a whole to change; recent surveys by Cornerstone Advisors of 300 community banks, regional banks and credit union CEOs shows the current economic environment and presidential election has them very optimistic; when they are making money, they innovate less. Source