The only use of that crypto left would be anonymous transactions which will be needed by a very few people on a daily basis and that crypto would loose all its popularity and I don't see a very long future for this kind of coin at all.
Not really. If price is stable ppl would actually put more trust to it primarily because the risk of your money dropping value, would be gone. In that case we can assume more merchants! Additionally bitcoin is easy to set-up, so it would be useful to countries where most ppl doesn't have bank accounts. Can't really see it having no future when it has an actual use.
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If I prefer stability then I would prefer fiat over any investment because value of 1$ will always be 1$ so no need for me to let go of my money. Fiat is without any doubt the more stable than anything in the world.
Not always. Fiats are backed by governments so naturally, the value would drop if its backer falls into crisis.
