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 →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.
Use code FUSB6E for 10% off your Tangem wallet. #ad
Get Tangem — code FUSB6E →The Ripple Effect — XRP Book
Our in-depth look at Ripple, XRP, settlement technology, regulatory history, and what it means for long-term holders is now a paid digital book. Get it on its own, or save with the Pack.
The Ripple Effect (Digital Book)
How XRP is rewriting the rules of global money.
- ✓The full Ripple Effect digital book (PDF)
- ✓Ripple, XRP, settlement tech & regulatory history
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Complete Protection + Ripple Book Pack
Everything in the Bundle plus The Ripple Effect book.
- ✓All 5 Complete Protection Bundle PDFs
- ✓+ The Ripple Effect digital book
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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. Educational only, not financial advice. Some product links on this page are affiliate links (#ad) — we may earn a commission at no extra cost to you.