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In long --
I haven't had Bitcoins for a few years, due to an unfortunate series of events where I used too little security and they were stolen or I used too much security and I lost access. Recently I started selling a homemade product online and decided to give it another go.
Having learned from prior mistakes, I decided not to trust myself to keep offline wallets. Things get broken, lost, corrupted, etc. I hopped over to the breakdown of available wallets at https://bitcoin.org/en/choose-your-wallet and I chose Green Address.
It worked fine and was very fast when I received my coins from customers. Then, as I went to check the balance, I noticed a lot of "Internal Error" messages popping up, but it still seemed to work. I tried another browser and started getting messages saying that I was already logged in and asking me if I wanted to logout the other session. I assumed that this was the other browser I had used and said yes, but it still failed to log me in for about an hour or 2.
Eventually I got back into the account and all my bitcoins were gone . Moreover, the transaction history was totally blank . I assumed I had been robbed, though it's amazing as I have Norton's best security suite (and other network security software, like SNORT), my password was saved offline and my traffic is encrypted with Cisco VPN and the robber apparently discovered and robbed me in record time.
In another hour or 2 the entire website went offline and it hasn't come back online since. What's going on? Did I get robbed and this highly touted web wallet's site go offline for unrelated reasons? or did I not get robbed and the trouble is all on their end? If this is a major service shouldn't they have a separate status feed somewhere (but I can't find it)?
I am sorry for your loss, and hope you get them back. But I think you are missing an important part of bitcoin security advice.
You need to take better care of your wallets. Having an offline wallet(s) is a very important part of bitcoin security. Like people have said hundreds of times on this forum: If you do not have access to the private keys, you do not own the bitcoin associated.