Sure it might work with a database, just as you don't need a blockchain to do what Visa does. But Brave is really one of the best showcases for what crypto can

Sure it might work with a database, just as you don't need a blockchain to do what Visa does. But Brave is really one of the best showcases for what crypto can achieve imo. They've tied anonymity, opt-in advertisements, and micropayments into one thing. I think it would actually be more difficult to do this without a cryptocurrency.