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COLD HARDCUSTODY

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Disclosure & privacy

Cold Hard Custody is reader-supported. Some links on this site are affiliate links: if you buy through them, we may earn a commission at no extra cost to you.

Amazon book links

Our book list links to Amazon. These links do not carry an affiliate tag today. If we join the Amazon Associates program, we will update this notice; as an Amazon Associate we would earn from qualifying purchases.

Our promise

  • Affiliate relationships never influence our recommendations or rankings.
  • We only link to products we would use ourselves.
  • Affiliate links are labeled where they appear.

Privacy promise

We use Vercel Web Analytics to count page views in aggregate. Per Vercel's Web Analytics privacy documentation (checked Oct 15, 2026), it uses no third-party cookies, identifies visits with a hash of the request that is discarded after 24 hours, and records only page URL, referrer, coarse location (country/region/city), browser, OS and device type, used for aggregate statistics.

  • No cookies set by our own code, no ad pixels, no cross-site tracking, no fingerprinting for advertising, no personal profiles.
  • No accounts. Calculators run entirely in your browser; numbers you type are never sent anywhere.
  • The converter fetches a public price feed directly from your browser; we never see it.
  • Videos: on our video pages, thumbnails load from YouTube's image server (i.ytimg.com), and clicking play loads the video from youtube-nocookie.com, operated by YouTube/Google under Google's privacy policy. Nothing loads from YouTube's player until you click play.
  • Site search runs entirely in your browser using a static index served from this site (Pagefind). What you type is never sent anywhere.
  • The custody checklist on the checklists page saves your ticks only in your own browser (localStorage). It is never sent to us or anyone else; clearing site data or pressing Reset removes it.
  • Live numbers: the home page strip makes your browser contact mempool.space for the block height and BTC price (falling back to CoinGecko for price) every 60 seconds. Those services see your IP address and browser, like any website you visit; we receive nothing.
  • News headlines are fetched by our server from publishers' public RSS feeds; your browser contacts a publisher only if you click a headline.
  • Email signups are handled by beehiiv. The signup form is embedded from beehiiv and a small beehiiv attribution script loads on every page to credit signups to the page they came from. beehiiv may use cookies and similar technologies and processes your email under its privacy policy (checked Oct 15, 2026). Every email has an unsubscribe link.

Not financial advice

All content is educational. Bitcoin is volatile and self-custody carries risk. Do your own research.

Last checked Oct 15, 2026.