@jivan Mostly Bitcoin, but most other cryptocurrencies I'm aware of also suffer from some combination of these issues & it makes them unappealing or entirely impractical to use as a currency.
Out of what I've seen, Monero looks the best in my opinion, but still suffers from hyperdeflation, energy & computationally intensive mining, & high transaction latency. It also still depends on a blockchain, & even if it's not publicly readable it's still a cumbersome & resource intensive data structure. Some others like Chia are much better about transaction latency & average buying power, but are still very unstable, have a high barrier to entry, suffer from centralization due to resource availability, a publicly readable blockchain, & very very few people or businesses accept them as payment.
A currency that doesn't rely on a central organization to manage production, destruction, & legitimization of it is very appealing to me. I like the idea behind cryptocurrency, but I dislike its execution.