Module 3: How Blockchains and Transactions Work
Gas, nonces, finality, Layer 2 rollups, bridges, MEV, and oracles. What actually happens between clicking confirm and your transaction settling.
- 1. The Life of a Transaction · about 7 min
- 2. Gas and Fees on Ethereum · about 6 min
- 3. Bitcoin Fees and the UTXO Model · about 6 min
- 4. The Mempool, Nonces, and Stuck Transactions · about 6 min
- 5. Blocks, Confirmations, and Finality · about 6 min
- 6. Reading a Block Explorer Like a Professional · about 6 min
- 7. The Scaling Problem · about 5 min
- 8. Layer 2 Networks and Rollups · about 7 min
- 9. Other Scaling Approaches · about 5 min
- 10. Bridges and Moving Between Chains · about 6 min
- 11. MEV, the Invisible Tax · about 6 min
- 12. Oracles, How Blockchains Learn About the World · about 6 min
- 13. How Decentralised Is It, Really? · about 6 min