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"TUTORIAL -  Quick Surefire Guide - How to rebuild a qt wallet if you lost your coins - Step by St
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#1
Here is a 'quickie' step by step guide for basic users who need to rebuild thier wallet for any reason.
 
Recently an onine friend from twitter contacted me to help him 'rebuild' his wallet for an alt coin that had experienced some problems.
 
I am not sure if the coin was forked, or if his wallet got corrupt somehow. This method will normally correct these issues.
 
It will not help you if you have forgotten the password on a locked wallet !
 
If you converted to a paper wallet and had some problems or whatever the case this takes a little bit of time but usually solves the problems.
 
Always remember to never give anyone your private keys.
 
This is for information only.  I know the method will work on most coins since I have had to do it several times for different things but I cannot be responsible if you lost your coins.
 
 
1) MOST IMPORTANT -- Back up your entire folder that holds your wallet now.  On windows find that in your directory
Users\name\AppData\Roaming\Coin     Inside here you will find a folder with the name of the coin you want to salvage.
 
Make a complete backup of that folder (copy it) to a safe place.  If you cannot find this folder make sure in windows you have see hidden and system files enabled. (Open a folder and under view check the boxes hidden items and file name extensions)
 
 
2)  Start the Coinqt wallet and export a log of all your present transactions and id's for safekeeping. From the transactions tab of the wallet click on file , export and save it in a safe place. 
 
3) Click on Help, then debug window and finally the console tab to bring up the command line.
 
4) On the command line type (no quotes) "listaddressgroupings"  Copy and paste all the addresses to a text file. You can do them one at or time or all together. Save that text file but keep it open.
 
5) For each address (you may have only a few or several) type on the command line of your qt wallet (again no quotes)
'dumpprivkey' and a space then after paste in the address.  The client will then give you a long set of letters and numbers.  Copy and paste this with the address it matches up with in your text file to use later. 
 
6) Repeat step 5 for each address that you have.  You can copy each individually as you go or you can wait until finished and copy and paste the entire thing to a windows text file.  Don't forget any.  When finished save that text file in a safe place.  If you copied the entire list at once windows may give you an error about saving special characters (should be safe to ignore). 
 
7)  Close the wallet.  Delete anything in the Users\name\AppData\Roaming\Coin folder  EXCEPT your conf file (unless you don't have one) and make sure you have everything backed up.  (Not recommended to back up in this folder).  (Note depending on how the wallet was corrupted you may want to remove addnodes from here and just let the client find the network on it's own)
 
8) Make sure you have the most up to date version of the coins client qt wallet and only /always download this directly from the coins webpage or another known safe place.  Start it up and it may connect to the network and start downloading the blockchain that is normal.
 
9) Use the same method as in step 3 above to open the command line.  Get that text file with the list of addresses and private keys and type on the command line (again no quotes) 'importprivkey' , a space, then paste a private key after it and hit enter. Wait a few seconds for the client to accept the command. Repeat as many times as necessary depending on how many private keys you had. Don't forget any.  If you try to do one twice you will get an error.
 
10) Close your qt wallet up. It does not matter how much of the blockchain may have downloaded.  Open it again and let the entire blockchain download. Do not try to send coins or mine while it is downloading.  You may see some strange things depending on the type of coin and what you had in your wallet to start with also how many transactions you had. 
 
11) When the blockchain is complete your coins should all be in there where they belong.  I recommend you keep the backup you made of your old wallet and private keys in a very safe place where no one can get them.  I also suggest you back up the new 'rebuilt' wallet in a safe place.
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#2
(08-07-2017, 07:00 PM)brandnew1 Wrote: Here is a 'quickie' step by step guide for basic users who need to rebuild thier wallet for any reason.
 
Recently an onine friend from twitter contacted me to help him 'rebuild' his wallet for an alt coin that had experienced some problems.
 
I am not sure if the coin was forked, or if his wallet got corrupt somehow. This method will normally correct these issues.
 
It will not help you if you have forgotten the password on a locked wallet !
 
If you converted to a paper wallet and had some problems or whatever the case this takes a little bit of time but usually solves the problems.
 
Always remember to never give anyone your private keys.
 
This is for information only.  I know the method will work on most coins since I have had to do it several times for different things but I cannot be responsible if you lost your coins.
 
 
1) MOST IMPORTANT -- Back up your entire folder that holds your wallet now.  On windows find that in your directory
Users\name\AppData\Roaming\Coin     Inside here you will find a folder with the name of the coin you want to salvage.
 
Make a complete backup of that folder (copy it) to a safe place.  If you cannot find this folder make sure in windows you have see hidden and system files enabled. (Open a folder and under view check the boxes hidden items and file name extensions)
 
 
2)  Start the Coinqt wallet and export a log of all your present transactions and id's for safekeeping. From the transactions tab of the wallet click on file , export and save it in a safe place. 
 
3) Click on Help, then debug window and finally the console tab to bring up the command line.
 
4) On the command line type (no quotes) "listaddressgroupings"  Copy and paste all the addresses to a text file. You can do them one at or time or all together. Save that text file but keep it open.
 
5) For each address (you may have only a few or several) type on the command line of your qt wallet (again no quotes)
'dumpprivkey' and a space then after paste in the address.  The client will then give you a long set of letters and numbers.  Copy and paste this with the address it matches up with in your text file to use later. 
 
6) Repeat step 5 for each address that you have.  You can copy each individually as you go or you can wait until finished and copy and paste the entire thing to a windows text file.  Don't forget any.  When finished save that text file in a safe place.  If you copied the entire list at once windows may give you an error about saving special characters (should be safe to ignore). 
 
7)  Close the wallet.  Delete anything in the Users\name\AppData\Roaming\Coin folder  EXCEPT your conf file (unless you don't have one) and make sure you have everything backed up.  (Not recommended to back up in this folder).  (Note depending on how the wallet was corrupted you may want to remove addnodes from here and just let the client find the network on it's own)
 
8) Make sure you have the most up to date version of the coins client qt wallet and only /always download this directly from the coins webpage or another known safe place.  Start it up and it may connect to the network and start downloading the blockchain that is normal.
 
9) Use the same method as in step 3 above to open the command line.  Get that text file with the list of addresses and private keys and type on the command line (again no quotes) 'importprivkey' , a space, then paste a private key after it and hit enter. Wait a few seconds for the client to accept the command. Repeat as many times as necessary depending on how many private keys you had. Don't forget any.  If you try to do one twice you will get an error.
 
10) Close your qt wallet up. It does not matter how much of the blockchain may have downloaded.  Open it again and let the entire blockchain download. Do not try to send coins or mine while it is downloading.  You may see some strange things depending on the type of coin and what you had in your wallet to start with also how many transactions you had. 
 
11) When the blockchain is complete your coins should all be in there where they belong.  I recommend you keep the backup you made of your old wallet and private keys in a very safe place where no one can get them.  I also suggest you back up the new 'rebuilt' wallet in a safe place.

Thanks for sharing this valuable information
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#3
Very good one. Thanks for sharing this. This piece of information will help a whole lot.
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