Use the same wallet file with multiple wallet instances #18205

1. 
   kryvel commented at 0:35 am on February 25, 2020: none

   Hi there! Is there any way to share one wallet.dat file across different bitcoin wallet instances My goal is to create failover wallet service, so I could manage my funds if main server with wallet is going down. As I understand default HD wallet creates only 100 keypairs, so after I use all of them I should sync wallet.dat file with my backup server, is it true?
2. kryvel added the label Feature on Feb 25, 2020
3. 
   MarcoFalke commented at 7:46 pm on February 25, 2020: member

   As the instances of the wallet.dat are not synchronized, at best loosely connected via the p2p transaction relay, this will lead to address and key-reuse if you are lucky. Double spends and loss of funds if you are less lucky.

   I think we should document better than wallet files can not be copied and used at the same time.

4. MarcoFalke added the label Docs on Feb 25, 2020
5. MarcoFalke removed the label Feature on Feb 25, 2020
6. MarcoFalke added the label good first issue on Feb 25, 2020
7. 
   kryvel commented at 9:13 pm on February 27, 2020: none

   Thanks for explanation!
8. kryvel closed this on Feb 27, 2020

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kryvel MarcoFalke

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Docs good first issue