My guess is they're going to continue operating for at least few more years.
Famous last words.

. I am sure that's what Celsius users thought as well and we all know how that ended up.
One of the biggest mistakes people can make is beliveing that the platform
they use won't have any problems, while at the same time very similar services already went out of the business. Worst of all, if/when Nexo ends up being a scam, majroifu of people won't learn anything and will still use centralized services to store their funds and risk them for a measly profit.
.