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beginner · ~60 min

Bitcoin Fundamentals

Money, mining, wallets, custody — the basics every forum participant should know.

Start lesson 1

Lessons

  1. 1What is Bitcoin?Money without a central issuer — what makes it work.
    7mquiz
  2. 2How transactions workUTXOs, inputs, outputs, and why your wallet has fragments.
    8mquiz
  3. 3Mining + consensusHow blocks get added without anyone in charge.
    9mquiz
  4. 4Wallets — hot vs coldSoftware, hardware, paper, multisig — pick the right tool.
    8mquiz
  5. 5Custody — your keys, your coinsSelf-custody, custodial accounts, and the trade-offs.
    9mquiz
  6. 6Privacy basicsKYC, address reuse, coin selection, and chain analysis.
    9mquiz
  7. 7Bitcoin economics21M cap, halvings, fee market, and security budget.
    10mquiz