Money is not at all safe in cryptocurrency, There are so many hackers around here who's only business is hack a wallet of bounty hunters to get money without doing anything.
Apart from the cryptocurrency related risks, it's simply as safe as the "tool" you use for it...
Frequent jumps in the course of such a currency become a real find for active traders who profit on the difference in the changes in the cost of the ETH unit. Expecting whether "Ether" will grow, we can draw an analogy with the past year.