Free courseBeginner11 minCrypto Foundations
Understanding Bitcoin
Bitcoin was the first cryptocurrency and is still the one most people hear about first. This module covers where it came from, how its supply and mining work, how transactions and fees work, and how to hold it. It ends with an honest look at what Bitcoin is, what it is not, and how violently its price has moved.
- 1Where Bitcoin came fromThe 2008 whitepaper, the mysterious Satoshi Nakamoto, the 2009 genesis block, and the problem Bitcoin was designed to solve.3 min
- 2The 21 million cap, halvings and miningHow new bitcoin is created through mining, why there will never be more than 21 million, and how halvings cut new supply roughly every four years.2 min
- 3How Bitcoin transactions work: UTXOs, fees and custodyBitcoin's UTXO model explained with coins and change, how mempool fees work, and the trade-offs of exchange custody vs. self-custody.3 min
- 4What Bitcoin is and isn't, and its history of big dropsA balanced look at Bitcoin: what it does well, its real limits, why nothing guarantees its value, and the repeated 70%+ crashes in its history.3 min
Education, not investment advice. Crypto prices can fall sharply and most retail traders lose money. Practice in DUKOIN uses virtual USD with no real value.