If we want to turn altcoin to cash, will we need to sell it for BTC first, and then send the BTC to service for conversion to USD/EURO before finally to bank?
I would suggest to find an alternate pair in exchanges for your altcoins in ETH, XRP, etc other than BTC since transaction fee is way very
low as compared to BTC's transaction fee and transaction speed matters also, but of course this options all depends on what features
does your local exchanges have.
The majority of crypto users prefer to use Bitcoin to be exchanged directly to fiat but for me using altcoin is an alternative to avoid additional fees because exchanging it from Altcoin to Bitcoin requires time and transaction fees. In my local exchange, there are several Altcoins that can be exchanged directly to our local money.