Critical Wallet Migration Bug Found in Bitcoin Core Versions v30.0 and v30.1
- A critical bug has been identified in Bitcoin Core versions v30.0 and v30.1, risking loss of funds for users with old wallets.
- The issue primarily affects wallets created before version 0.21, particularly those without backups.
- Developers are working on a fix, expected to be released in version v30.2.
- Users are advised to refrain from using migration tools until the update is available.
- Approximately 78% of nodes rely on Bitcoin Core, highlighting risks associated with software dominance in the ecosystem.
This bug can lead to complete loss of wallet directories if migrations fail unexpectedly, especially affecting outdated setups using blockchain pruning settings.
The incident emphasizes the importance of maintaining backup strategies for legacy wallets amidst evolving technology in the cryptocurrency space.
With developers aiming for a resolution in version v30.2, users must remain cautious as this vulnerability poses significant risks for those relying on older configurations without proper backups.(Source)