Solana is being used for ultra-fast payments in retail, while Cardano is backing community projects like micro-loans and digital ID systems. It’s not just hype — these platforms are solving real problems, and that’s making people take notice.
I feel like these use cases aren't new. I remember using ETH or other alts to pay for stuff in the past, and they're fast as heck. What exactly defines "ultra-fast" payment, for example? Digital ID and whatnot is not exclusive to one alt either. I see at least 3 projects marketing the same stuff and rolling out an MVP in the last few months. I think they have to do that because they can't compete with the demand for Bitcoin to begin with.
Personally, If I wanted to pay or buy something important where a confirmation is key, I'd still use Bitcoin instead of those fast confirmation chains. The chance of rollbacks are significantly lower and I'm sure merchants would prefer the same thing even though it's slightly inconvenience for the users due to the waiting time. CMIIW.