Penlock

@Penlock's bio

Someone shared about the beta last year, and there was a few comments under it. That inspired me to announce it myself this time. :)

security

Penlock V1 is here! 🔒

For years, we've been told not to write passwords on paper... And here we are, writing down the most critical data of all - the keys to our savings! ⚠️

That ends now! Penlock lets you split your seed phrase into a secure 2-of-3 backup using pen & paper. Setup offsite recovery & trust-minimized inheritance without depending on any service! 👍

https://v1.penlock.io/en/

Announcing Penlock v1: Paper-Based Secret Splitting for BIP39 Seed Phrases

bitcoin

Penlock, a paper-computer for secret-splitting BIP39 seed phrases

Rsync25

Multisig is generally more secure—using hardware wallets from different manufacturers protects against firmware vulnerabilities. However, multisig requires more technical expertise, involves managing wallet metadata, and is protocol-specific. 

Print & assemble Penlock's cryptographic wheel to split your seed phrase into a secure 2-of-3 backup. Protect against loss, theft, and enable secure inheritance. <https://v1.penlock.io>