The Fintech Nexus weekly news show covers the top stories in fintech.This week's list of top stories includes:The 30-Year-Old Spending $1 Billion to Save CryptoGoldman may tap brakes, again, on consumer unit's next big thingGoldman Sachs Should Kill Its Planned Marcus Checking AccountFintech Ramp Dives Into ‘Buy Now, Pay Later’ Market With New ‘Flex’ Offering For BusinessesAs Crypto Slumps, Goldman Sachs Aims for a Wall Street Built on BlockchainA showdown is coming over who is liable for P2P...