I have used them myself and I'm still using them for several months now, I must say that I'm very satisfied with their services when It comes to the Web wallet but the phone wallet is definitely a little buggy. The wallet was previously known as Blocktrail and now It got acquired by Bitmain so there is nothing to be worried about.
I can only recommend downloading the PDF file they gave you when you first made the wallet, It should help you recover your wallet In case the service close or they go down for one reason or another.
If you are fine with having your bitcoin stored online by a third party then BTC.com is as good as any other web wallet.
Bitmain is known Bitcoin Unlimited supporter so in case of possible hard fork in the future, your coins stored there will probably magically shift to Bitcoin Unlimited tokens
As to me, that's one of the reasons to stay away from them
Whenever and wherever politics is involved, ordinary people are most likely set to suffer and lose at the end of the day. So don't get surprised when Bitcoin Unlimited suddenly dies, your bitcoins will just magically disappear altogether. If you have a decent amount of bitcoins, it seems that your only viable option is paper wallet. I wouldn't trust so many coins even to a desktop wallet since you can't be 100% sure the codebase hasn't been tainted or tampered with. And this is apart from regular threats like viruses, trojans and keyloggers
Yes. Every movement now is really unsafe.
Just a wrong log in or sign up to one website could make it all disappear.
Hacking have been easy to many people even those who are just internet savvies. Thank to damn Youtube.
A problem which is lurking with the bitcoin community. Just seeing how valuable it is, hackers would love just to get one.
Paper wallet is the safest because of its physical entity. But the problem is its expensive and the availability.
