An open lined notebook with a pencil, three blank index cards and a linen-bound book with a small orange Bitcoin mark, on dark linen in evening light.

Master Bitcoin
Step by Step

From how the blockchain works to running your own node: 57 illustrated lessons in 5 courses, each checked against primary sources.

Start the first course View the course path
5 Courses
57 Lessons
191K+ Words
19 Hours
Older and younger hands passing a dark linen folio with an orange Bitcoin emblem above two cream envelopes on a walnut desk.

The Two-Envelope Plan

Leave your family a way forward.

A printable recovery kit for the bitcoin you hold yourself.

Read the plan

A printable PDF 77 pages Signed and timestamped

Your Learning Path

From zero to sovereign Bitcoiner in 5 structured courses

  1. A charcoal linen volume with an orange ledger emblem on a stone surface
    Beginner

    Bitcoin Fundamentals

    13 lessonsAbout 4 hours

    What Bitcoin solves, keys and transactions, proof of work, and the 21 million cap.

    Start here
  2. A charcoal linen volume with an orange key emblem on a stone surface
    Beginner–Intermediate

    Wallets & Self-Custody

    13 lessonsAbout 4 hours

    Hold your own keys: seed phrases, hardware wallets, safe withdrawals and spotting scams.

    Explore
  3. A charcoal linen volume with an orange balance-scale emblem on a stone surface
    Intermediate

    Mining & Economics

    10 lessonsAbout 3 hours

    How mining works and pays, the halving, fees and Bitcoin's security budget, ETFs and DCA.

    Explore
  4. A charcoal linen volume with an orange emblem of three linked nodes on a stone surface
    Intermediate–Advanced

    Lightning & Nodes

    10 lessonsAbout 4 hours

    Pay over Lightning, then run your own node and keep its channels safe.

    Explore
  5. A charcoal linen volume with an orange padlock emblem on a stone surface
    Advanced

    Security & Privacy

    11 lessonsAbout 4 hours

    Coin control, Tor, verified software, CoinJoin, multisig, inheritance and physical safety.

    Explore

Latest Articles

In-depth guides on self-custody, nodes, Lightning and privacy

View all articles

Ready to Master Bitcoin?

From the fundamentals to full sovereignty, one lesson at a time.

Begin with Course 1
The network, right nowverify, don't trust

since last block —
—blocks · last 90 minutesheight = block weight vs the 4M WU limit
each tick = 10 min · click a spike to inspect
—since last blocktarget ~10 min
—difficulty period 
—to next halving 
—transactions waiting
waiting for network data — nothing here is ever made up
—
block height
—
mempool tx
—sat/vB
fastest fee
—EH/s
hashrate 1d avg
30d
—
retarget progress
connecting · source mempool.space