Cutting Private Key Backup Failures by 6 Orders of Magnitude | HackerNoon
This work proposes indirect-escrow and indirect-permission methods for private key backup, enhancing both security and reliability while addressing key management challenges.
How Secure Are Private Key Backup Methods? A Comparative Study | HackerNoon
The paper wallet local storage method poses a significant risk; if the QR code backup is lost or stolen, it directly compromises private key security, resulting in a 0.55% failure rate.