The Gug Letter

The Gug Letter

Bitcoin Improvement Proposal: 39 (Demystified)

BIP39 isn't flawless, most people forget their own pass-phrases...but, it is an excellent alternative to centralized on-ramps

Joe Guglielmucci's avatar
Joe Guglielmucci
Aug 14, 2025
∙ Paid
2
Share

Non-custodial wallets (open-source Trezor, paper wallets, etc.) put you in the driver's seat: you control your private keys, meaning no third party can access, seize, or censor your funds. This is the essence of decentralization—the early promise of crypto.

Keep reading with a 7-day free trial

Subscribe to The Gug Letter to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 Joe Guglielmucci
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture