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Recently I have reinstalled Bitcoin qt because my HDD crashed. Fortunately I had a backup of my wallet.dat, but there is still one problem.

After the installation I replaced the wallet.dat with my old wallet.dat. If I start Bitcoin qt now, I can not see any money in my wallet?!

What can I do now?

  • 1
    Have you tried running bitcoin-qt -rescan? – Nate Eldredge Oct 8 '13 at 18:32
  • Yes, also tried this. It didn't work. – Unknown Soldier Oct 8 '13 at 19:11
  • Do any transactions show at all? If not, you probably didn't have a good backup. – Stephen Gornick Oct 8 '13 at 22:58
  • How recent was your backup? Bitcoin-Qt/bitcoind uses a keypool, and thus you need to make new backups after a certain number of transactions. – Stephen Gornick Oct 8 '13 at 22:58
  • I even can't see any transactions listed in my client. Bitcoin-qt looks like if I have started it the first time. I am sure the backup includes the latest transactions, I just created it some days before the crash happened. – Unknown Soldier Oct 9 '13 at 11:37
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Are you also sure that you've let Bitcoin qt fully synchronise with the network? Very recently I moved across my wallet.dat to a new installation with no issues.

  • I am 100 percent sure, I really don't know what's the problem. It's a pity that I have lost my Bitcoins now. – Unknown Soldier Oct 9 '13 at 11:29
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    I'm quite unsure then. Why don't you enable debugging and take a look at debug.log. Maybe it'll tell you where it's going wrong and if it's failing to load wallet.dat. – Bittylicious Oct 9 '13 at 13:38
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Check your wallet address against blockchain.info. verify there are no erroneous transactions / that your using theright wallet.dat file

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