Re: My whole transaction history has disappeared, i cannot access my coins
I cant understand how my casascius bar could still have btc in it 
If you click on one of those transactions where i transact out of the casascius address, thats a 2015 transaction. Further from that you can find transactions on 2016
And thats where i found the 3K address.
https://blockchain.info/address/3KYEMZfWaGSsNKj8ypR9xLzYmUDQyGeMFG
I mean i didnt send anything in 2016, i only checked my wallet.
Whats going on?
That address is completely empty. If you click on one of those transactions where i transact out of the casascius address, thats a 2015 transaction. Further from that you can find transactions on 2016
And thats where i found the 3K address.
https://blockchain.info/address/3KYEMZfWaGSsNKj8ypR9xLzYmUDQyGeMFG
I mean i didnt send anything in 2016, i only checked my wallet.
Whats going on?
If you didn't make that transaction then it's likely your coins may have been stolen by a virus/Trojan. Unless you used a watch-only wallet.
If you're going to import a private key with a high amount on it at least run it on a live CD or safe mode to limit virus activity.
Unless: you sent the coins to another wallet instead of that one.