Bitcoin Core database log
File type: Various data file
A 0000000001 file extension identifies an internal database log file created by Bitcoin Core.
The 0000000001 file belongs in Bitcoin Core's data directory and is managed by the software rather than opened as a document.
File type category:
Various data file
Date updated: November 2, 2026
Bitcoin Core is open-source software and a default client for the Bitcoin peer-to-peer payment network. It runs on Windows, macOS and Linux.
The 0000000001 file contains logged data from the Bitcoin Core database. Bitcoin Core creates and manages the file as part of its database environment.
This is an internal support file, not a portable document or an interchange format. It is intended to be used together with the Bitcoin Core database that created it and should not be edited manually.
A 0000000001 file cannot be meaningfully opened on its own in a text editor or general-purpose database program. Leave it in the Bitcoin Core data directory and let Bitcoin Core read it as part of the database environment.
Bitcoin Core can use this file on Windows, macOS and Linux. Do not rename, edit or move it while Bitcoin Core is running.
There is no practical conversion for a 0000000001 file. It is an internal Bitcoin Core database log, not a document or data-exchange file.
To move or preserve the associated data, back up the Bitcoin Core data rather than trying to convert the log file separately.
Software apps that create 0000000001 files:
Multiplatform
Software applications that handle other tasks involving 0000000001 files:
Multiplatform
English
