Title: My first post, just registered I need some help with advice Post by: kiwino1 on December 10, 2023, 03:45:23 AM 2009 when Bitcoin was new, I mined some Bitcoin, then on XP. Now I am using W7. I still have the XP disk, it is intact and all data is backed up.
Q1 How can I move this to my W7. Q2 How can I convert some Bitcoin to national currencies. I am a pensioner now and need the money. I live in China of medical reasons, but all my fiances are outside China so I have no problem with China regulations, but I have to use a proxy. Title: Re: My first post, just registered I need some help with advice Post by: nc50lc on December 10, 2023, 03:57:25 AM Try to look for a "wallet.dat" file inside WindowsXP's Bitcoin Data directory.
Here's the location: https://en.bitcoin.it/wiki/Data_directory#Default_Location (https://en.bitcoin.it/wiki/Data_directory#Default_Location) Of course, if the old drive is assigned with a different letter when mounted to your other PC, browse to that directory instead of "C:". Make a backup of that file and copy it to your new PC, install Bitcoin Core and load the wallet.dat file using the menu: "File->Restore Wallet.." then browse to the wallet file's directory and load it. Title: Re: My first post, just registered I need some help with advice Post by: Cricktor on December 10, 2023, 10:00:11 AM I had some issues importing a wallet.dat file that was created with Bitcoin GUI in 2011 and was synced up to around 2013/2014 with versions of Bitcoin GUI of that period into a version of Bitcoin Core from 2021/2022. I don't remember the issues in detail anymore but I had to use some intermediate versions of Bitcoin GUI/Bitcoin Core to finally migrate my old wallet.dat to a current Bitcoin Core version.
@kiwino1, don't rush it and do the migration only in a safe computer environment, definitely not your daily internet machine. I don't know how tech savvy you are but you don't want to risk loosing your BTCBTC due to poor computer safety. Assuming you mined solo early in 2009, that means if you hit a block, you hit 50BTC at once which is a lot in today's fiat! If my assumption is correct, be careful of what kind of help you are offered, especially when you receive private messages in this forum. First learn how to manage a wallet in a safe computer environment regarding the potential value of your coins in your old wallet. It's good you have backups, keep it that way. Never work with your wallet file without having multiple backups. Title: Re: My first post, just registered I need some help with advice Post by: kiwino1 on December 11, 2023, 01:58:35 AM Thanks everyone. I followed the advice from nc50lc, fond the "wallet.dat" and get the message. "Fel Unsupported Chainstate database format found. Please restart with -reindex- chainstate. This will rebuild the chainstate database"
I dont understand it, and what do I do now. Bitcoin Core stops with this message and I can not go on??? ========================= Try to look for a "wallet.dat" file inside WindowsXP's Bitcoin Data directory. Here's the location: https://en.bitcoin.it/wiki/Data_directory#Default_Location (https://en.bitcoin.it/wiki/Data_directory#Default_Location) Of course, if the old drive is assigned with a different letter when mounted to your other PC, browse to that directory instead of "C:". Make a backup of that file and copy it to your new PC, install Bitcoin Core and load the wallet.dat file using the menu: "File->Restore Wallet.." then browse to the wallet file's directory and load it. Title: Re: My first post, just registered I need some help with advice Post by: kiwino1 on December 11, 2023, 02:11:51 AM Many thanks for the advice. I have a reasonable basic understanding of a computer, and I always do multiple backups on separate offl9ine disks.
I had some issues importing a wallet.dat file that was created with Bitcoin GUI in 2011 and was synced up to around 2013/2014 with versions of Bitcoin GUI of that period into a version of Bitcoin Core from 2021/2022. I don't remember the issues in detail anymore but I had to use some intermediate versions of Bitcoin GUI/Bitcoin Core to finally migrate my old wallet.dat to a current Bitcoin Core version. @kiwino1, don't rush it and do the migration only in a safe computer environment, definitely not your daily internet machine. I don't know how tech savvy you are but you don't want to risk loosing your BTCBTC due to poor computer safety. Assuming you mined solo early in 2009, that means if you hit a block, you hit 50BTC at once which is a lot in today's fiat! If my assumption is correct, be careful of what kind of help you are offered, especially when you receive private messages in this forum. First learn how to manage a wallet in a safe computer environment regarding the potential value of your coins in your old wallet. It's good you have backups, keep it that way. Never work with your wallet file without having multiple backups. Title: Re: My first post, just registered I need some help with advice Post by: tranthidung on December 11, 2023, 05:15:00 AM If it is a wallet in 2009, you will need to access with a password if the wallet file was encrypted or brute force the password.
You can try with this guide from LoyceV.
If you need a service for wallet recovery
Title: Re: My first post, just registered I need some help with advice Post by: nc50lc on December 11, 2023, 06:02:22 AM Thanks everyone. I followed the advice from nc50lc, fond the "wallet.dat" and get the message. "Fel Unsupported Chainstate database format found. Please restart with -reindex- chainstate. This will rebuild the chainstate database" The message is instructing you to add that command line parameter to rebuild your UTXO set that is somehow unsupported.I dont understand it, and what do I do now. Bitcoin Core stops with this message and I can not go on??? Have you updated from an old version to the latest version? Anyways, to start Bitcoin Core with --reindex-chainstate in Windows7:
You can also follow these instructions but use --reindex-chainstate instead: https://bitcointalk.org/index.php?topic=5405156.msg60550646#msg60550646 (https://bitcointalk.org/index.php?topic=5405156.msg60550646#msg60550646) Title: Re: My first post, just registered I need some help with advice Post by: Cricktor on December 11, 2023, 08:49:25 PM OP, you may run into trouble because you publish two consecutive posts in one thread within much less than 24h. To my knowledge there's a forum rule that doesn't allow this and there's particularly no need to do it either. You can edit your first post and simply add what you would've written in the second post. It's not rocket science...
I'm aware that you might have a pressing problem with your old wallet, but breaking forum rules won't help you in that matter. Just a friendly advise for newbies. Title: Re: My first post, just registered I need some help with advice Post by: ABCbits on December 12, 2023, 09:40:30 AM If the wallet file created on 2009, it's likely you used old version of software called "Bitcoin" or "Bitcoin Qt" (today those are called "Bitcoin Core") version 0.2 or older where encryption feature didn't exist. So i'd suggest you to double check security of your device and backup medium.
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