I have a wallet.dat file that states:

  • Best block at time of backup was 42603 (0000000013136bd812212959a15ef0ea0f084ee2c64e2f7f0e127d198f67a37f), mined on 2010-02-26T00:36:08Z

Does that mean that one of my address mined on that block? Or is it just referenced with no correlation to my private keys with unspent coins?

  • may I ask how did you open and saw thr contents of wallet.dat?
    – Pedro
    Feb 10, 2020 at 19:28
  • I did dumpwallet on bitcoin core.
    – burchbit
    Feb 11, 2020 at 2:22

1 Answer 1


Its the time the wallet was last synchronized to, it won't know about any transaction changes in or out past this time until it has been loaded again by a synchronized node. It has nothing to do with your transactions specifically.

  • may I ask how can someone open and see the contents of wallet.dat?
    – Pedro
    Feb 10, 2020 at 19:37
  • 1
    You can’t really. It’s a berkeleydb database without a lot of human readable structure, it’s only meant to be read by machine.
    – Claris
    Feb 10, 2020 at 19:39
  • But the original poster hinted he could see the contents: "I have a wallet.dat file that states..."
    – Pedro
    Feb 10, 2020 at 19:47
  • So even if I add these private keys to another wallet, the balance wont show because i never did full node with bitcoin core? Because I've checked over 1000 addresses so far and 0.00 :( I believe that this wallet.dat came from my Guiminer I had on my computer I downloaded in 2011.
    – burchbit
    Feb 11, 2020 at 2:29

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