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The Bitcoin School
For people who want to understand Bitcoin. Not flip it.
Plain language. Sourced chapters. Live on-chain data from a real node. Huge glossary, Rabbit Holes, and one opinionated Journey from "what is money?" to running a full node. No altcoins, no affiliate links, and no signup needed to read any of it.
From the glossary
The collective hashing power of all miners in the network, measured in hashes per second (TH/s, PH/s, EH/s).
Read full entryNew on the site.
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Rabbit Hole · 40 min
Rat Poison, Tulips and a Pet Rock: Everything Bitcoin's Been Called (so far)
Bitcoin is dead, they said, and a Ponzi scheme, a tulip bubble, rat poison and money for drug dealers and terrorists. Every label, who said it and when, which ones can actually be scored, and what happened next, including the calls that held up and the ones our own side got wrong.
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Rabbit Hole · 14 min
The 2013 Chain Fork
On 11 March 2013 a software upgrade split Bitcoin into two chains. Developers, pool operators and exchanges argued it out in a public chat room and put it back together in under eight hours. This is the log, with the timestamps.
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Rabbit Hole · 15 min
How Taproot Actually Works
One key, two doors. How a Taproot output is built, why every one looks the same until it is spent, what Schnorr signatures changed, what Tapscript left open for the future, and what has actually been done with it since 2021, inscriptions included.
No bullshit.
No price predictions. No affiliate-bait. No fear marketing. Every chapter cites its sources, and the live on-chain numbers come straight from a full Bitcoin node.
Have fun.
Interactive, opinionated, well-crafted. Rabbit-hole vibes. Built by Bitcoiners for people who want to actually understand.
Down the rabbit hole.
All rabbit holesHard Questions
The strongest objections, including where the critics are right.
- Quantum and Bitcoin
- Bitcoin and Energy
- Rat Poison, Tulips and a Pet Rock: Everything Bitcoin's Been Called (so far)
Corrected in public.
All corrections-
BIP 32 accepts a seed of 128 to 512 bits and runs it through HMAC-SHA512 keyed with the string 'Bitcoin seed'; it is that 512-bit output that is split into the master key and chaincode. The same addresses follow only when both wallets use the same derivation path and script type, because BIP 32 leaves the tree layout advisory.
What was wrong -
BIP 39 is the most common seed phrase standard but not universal: Electrum deliberately does not generate BIP 39 seeds and uses its own versioned format. The spec describes its checksum as short, with only modest odds of catching random errors; the entry now says it catches most errors and gives the miss rates, about 1 in 16 for 12 words and 1 in 256 for 24.
What was wrong -
Bitcoin Core 0.21 (January 2021) introduced descriptor wallets as an experimental, non-default option; 23.0 (April 2022) made them the default for new wallets; 30.0 (October 2025) removed legacy wallets and the legacy-only RPCs, addmultisigaddress included. There was never a Bitcoin Core 0.22.
What was wrong