Crypto Tools & Guides You Can Actually Trust
Explore step-by-step PDFs, video walkthroughs, and referral links for the wallets and platforms Sentinel Enterprises recommends — vetted for security, simplicity, and self-custody.
Some links below are affiliate links, which means Sentinel Enterprises may earn a commission at no extra cost to you. Codes are pre-filled or listed where applicable.
Start Here for Self-Custody
The hardware and resources we recommend first. These are affiliate links — we may earn a commission at no extra cost to you.
Recommended platforms
05 partnersELLIPAL
Air-gapped hardware wallet
A fully air-gapped cold wallet — no USB, no Bluetooth, no Wi-Fi. Sign transactions by QR code so your private keys never touch an online device. The starting point Sentinel recommends for serious self-custody.
Tangem
Tap-to-sign card wallet
A hardware wallet the size of a credit card. Tap it to your phone to sign — no cables, no charging, no seed phrase to lose. Use the code below for a discount at checkout.
Caleb & Brown
Personal crypto brokerage
A full-service brokerage with a dedicated human broker for every client — ideal for larger buys, OTC trades, and guided portfolio building. Apply the referral code at sign-up.
iTrustCapital
Crypto IRA & retirement
Buy and hold crypto inside a tax-advantaged IRA. Sentinel's Crypto IRA Playbook walks you through opening and funding an account step by step. Use the referral code to claim your bonus.
Uphold
Exchange & multi-asset wallet
A beginner-friendly exchange to buy, sell, and swap crypto, metals, and more from one balance. A convenient on-ramp before moving funds to cold storage. Sign up through the link below.
Free illustrated guides
Download · PDFXRP Illustrated Guide
A plain-English visual primer
The XRP & Ripple Book
The deeper-dive reference read
Looking for the full library? Browse all free downloads →
Prefer to follow along on screen?
Every setup guide above has a companion walkthrough on the Sentinel Enterprises YouTube channel. Subscribe to catch new wallet reviews and step-by-step tutorials.
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Disclosure: Some links on this page are affiliate or referral links. Sentinel Enterprises may earn a commission at no additional cost to you. This page is for educational purposes and is not financial advice — always do your own research before buying crypto or choosing a wallet.