Brazilian Digital Bank Nubank Previously Backed by Buffett to Integrate Bitcoin Lightning Network

Brazilian digital bank Nubank has introduced the Lightning Network through the infrastructure service provider Lightspark, following its partnerships with crypto companies such as Circle and Polygon. Berkshire Hathaway, owned by Buffett, has invested in Nubank twice, and the latter’s continued integration of crypto elements clearly contrasts with Buffett’s disdain for Bitcoin.