how are they going to use this? will nubank customers be able to pay for things in bitcoin using cuckbucks like you can with strike? do they plan to start selling bitcoin?
I’m thrilled that @nubank has selected @Lightspark to bring the Bitcoin Lightning Network and UMA (Universal Money Addresses) via the @umastandard to its platform and customers. Now working with the Nubank team on the integration. Vamos! https://www.lightspark.com/news/nubank-announcement ⚡ 
Discussion
They already sell Bitcoin.