Free Guides & Downloads
Practical guides on crypto self-custody, XRP, hardware wallets, and caregiver tax savings — all free, no strings attached.
Free Checklists
Crypto Inheritance Checklist
FreeThe 5 non-negotiable steps to make sure your heirs can actually access your digital assets. Delivered to your inbox when you sign up.
Crypto & XRP
XRP Essentials Guide
An accessible introduction to XRP — how it works, why it matters for cross-border payments, and what crypto holders need to know before buying or holding.
Buy XRP on Uphold →XRP Ripple Book
An in-depth look at Ripple, the company behind XRP, its technology, regulatory history, and what the settlement means for long-term holders.
Hardware Wallets
ELLIPAL Setup Guide
Complete setup instructions for the ELLIPAL air-gapped hardware wallet — the safest way to store crypto offline with no USB or Bluetooth attack surface.
Shop ELLIPAL →Tangem Beginner's Guide
Get started with the Tangem card wallet — a card-sized, chip-protected cold storage device perfect for beginners stepping into self-custody for the first time.
Get Tangem — code FUSB6E →Want the complete, follow-along version?
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Browse Paid Guides & Bundles →These materials are provided for educational purposes only. Sentinel Enterprises LLC is not a licensed attorney, financial advisor, or fiduciary. Nothing in these guides constitutes legal, tax, or financial advice.