Learning path · Certificate

Your certificate.

Your certificate is waiting at the end of the path.

It appears once all six stages are done – by reading the core steps or passing the stage check. No rush: we walk every step with you.

0 of 6stages done

  1. Stage 1: Understand

    4 steps

    Go to stage 1Stage check (Stage 1)

  2. Stage 2: Put in context

    4 steps

    Go to stage 2Stage check (Stage 2)

  3. Stage 3: Plan

    4 steps

    Go to stage 3Stage check (Stage 3)

  4. Stage 4: Buy

    4 steps

    Go to stage 4Stage check (Stage 4)

  5. Stage 5: Self-custody

    4 steps

    Go to stage 5Stage check (Stage 5)

  6. Stage 6: Protect & stay the course

    4 steps

    Go to stage 6Stage check (Stage 6)

Back to the learning path

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Pre-launch

We’re still building – block by block.

Blockchain21 is already open, and you’re welcome to look around. We haven’t officially launched yet, though: some details are still missing, may change or don’t quite fit together yet.

Not finished yet

  • Email Messages to support@blockchain21.net don’t arrive yet. Until then, you can reach us by post – the address is in the legal notice.
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  • Partners No partnership is active yet – providers are listed without ads.
  • Info pages The privacy policy still lacks some details.

Already in place: learning path, articles, glossary, calculators and live data.

Block 0 · Genesis — Bitcoin, too, began with block 0 As of 5 October 2026