Source: Diego/Adobe The Brazilian neobanking unicorn Nubank is stepping up its crypto adoption drive, adding trading capabilities for five more altcoins to its banking app. Per the Brazilian media outlet Livecoins, the bank added support for Polkadot (DOT), Avalanche (AVAX), Stella Lumens (XLM), Arbitrum (ARB), and Optimism (OP) on November 22. The bank launched crypto The post Bullish Brazilian Bank Nubank Adds Five More Altcoins to Banking App appeared first on Cryptonews .