I ask this question every 6 months on various group chats but thought it would be fun to ask here: 

what do you think will be a mainstream consumer adopted crypto application or use case over next 5 years. Think 100m+ DAU. 

The only catch is: you can’t pick what you’re working on or directly involved with. :)

Due to a financial crisis or war or other black swan events, People can not withdraw money from large banks in some large country (China, US, etc). And people start to store money onchain (USDC & USDT).