Good question. If you're seeking a Store of Value (SoV) solution, it needs to be quite unique because worldwide spread

So is Bitcoin, with old tech because global adoption takes time

If you're seeking a Mean of Exchange (MoE) between people, you could totally imagine a Monero1 then Dero2 etc.. every 3 to 10 years, because it would mainly be for temporary transactions

For now, we need both apparently