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| -rw-r--r-- | doc/files.md | 4 |
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diff --git a/doc/files.md b/doc/files.md index c2296b45fa..cd23d547bb 100644 --- a/doc/files.md +++ b/doc/files.md @@ -78,6 +78,10 @@ Subdirectory | File(s) | Description 3. A wallet database path can be specified by `-wallet` option. +4. `wallet.dat` files must not be shared across different node instances, as that can result in key-reuse and double-spends due the lack of synchronization between instances. + +5. Any copy or backup of the wallet should be done through a `backupwallet` call in order to update and lock the wallet, preventing any file corruption caused by updates during the copy. + ## GUI settings `bitcoin-qt` uses [`QSettings`](https://doc.qt.io/qt-5/qsettings.html) class; this implies platform-specific [locations where application settings are stored](https://doc.qt.io/qt-5/qsettings.html#locations-where-application-settings-are-stored). |