Cryptography simplifies data security by transforming the task of safeguarding vast information into securing a single key. With the rise of end-to-end encryption, issues regarding access to encryption keys have surfaced, requiring users to manage backups of unmemorable and lengthy strings securely. Juicebox offers a solution by utilizing a PIN for key recovery without the need to trust a single party or hardware vendor. By combining established techniques like Threshold OPRFs and Merkle-Radix trees, Juicebox ensures security and user experience. The implementation allows scalable, cost-effective, and auditable encrypted key recovery without compromising user data.
https://www.juicebox.xyz/blog/key-to-simplicity-squeezing-the-hassle-out-of-encryption-key-recovery