About 25th Word
25th Word is an independent education hub for self-custody security: seed phrases, BIP39 passphrases and hardware wallets. Our guides are written to help you protect your own keys. We will never ask for your recovery phrase, passphrase or PIN.
Editorial Standards
Every guide is researched against the published specifications (BIP-0039, BIP-0032, SLIP-0039) and vendor documentation, then reviewed before publication. When facts change we update the article and note the revision date.
Security Policy
This site never requests, stores or transmits seed phrases, passphrases or private keys. If anyone claiming to represent 25th Word asks for them, it is a scam. To report a vulnerability or an error in our content, use the contact details below.
Affiliate Transparency
Some links to hardware wallet stores may be affiliate links. If you buy through them we may earn a commission at no extra cost to you. Affiliate relationships never influence our ratings, and we recommend buying devices only from official stores.
Privacy Policy
We collect as little data as possible. If you subscribe to our newsletter we store only your email address to send it, and you can unsubscribe at any time. Your reading progress in the Learning Hub stays in your own browser.
Contact & Inquiries
For corrections, security reports or partnership inquiries, email contact@example.com.