It is very risky for insurance company because cryptocurrencies are easily stolen by hackers and also users can do fraud just to claim the insurance.
Yeah is each and every investment risk will be surely there but you will have to learn dealing with it, now a day bitcoin is the best choice to buy than making insurance and it has low profit and you will have to submit the deposited right on time otherwise you wont be the member any more but in bitcoin you will only once have to buy then patiently hold it.