# Explains: Transactions and the Blockchain

Page: https://stenobird.com/podcast/bitcoin-well-podcast-7678220/explains-transactions-and-the-blockchain
Text version: https://stenobird.com/podcast/bitcoin-well-podcast-7678220/explains-transactions-and-the-blockchain.md
Podcast: [Bitcoin Well Podcast](https://stenobird.com/podcast/bitcoin-well-podcast-7678220)
Published: 2026-03-10T11:00:00+00:00
Episode link: https://feeds.fountain.fm/K4fNsugsQSuLZj6Ag7Oj/items/6YULj9PnaN8JPpOLZw9m/files/AUDIO---DEFAULT---2b3a5ee4-5c51-4b1f-a2a5-0774206cb944.mp3
Audio file: https://feeds.fountain.fm/K4fNsugsQSuLZj6Ag7Oj/items/6YULj9PnaN8JPpOLZw9m/files/AUDIO---DEFAULT---2b3a5ee4-5c51-4b1f-a2a5-0774206cb944.mp3
Processing state: processed
JSON: https://stenobird.com/v1/public/podcasts/bitcoin-well-podcast-7678220/episodes/explains-transactions-and-the-blockchain
Duration seconds: 952

## Resource

Send us Fan Mail Bitcoin Well Explains: How Bitcoin Actually Works - Transactions and the Blockchain Most people picture a Bitcoin wallet like a digital safe; coins rattling around on a hard drive somewhere. That mental model is wrong, and it's costing people clarity on how this whole system actually works. In this video, we break down exactly what happens when you send Bitcoin: what UTXOs are and why they matter, how your private key creates a mathematically unforgeable signature, how transactions propagate across a decentralized network with no central server, and why a confirmed Bitcoin transaction is (quite literally) a law of physics that no bank, government, or compliance algorithm can reverse. We also get into why Bitcoin's fee structure is one of the most radical economic statements in the history of money. A Salvadoran worker sending $20 home pays the same fee as a hedge fund settling an eight-figure position. No wealth-based pricing. No gatekeeper. This is Bitcoin 101 done right. Chapters: 0:00 Introduction & What's Happening in the World 0:53 Today's Topic: Transactions, UTXOs & the Blockchain 1:40 Destroying the "Bitcoin Wallet" Mental Model 2:57 What Actually Exists: The Global Ledger 3:13 You're Not Holding Coins — You're Holding Permission 3:29 How a Transaction Actually Works 4:00 UTXOs Explained: Think Cash, Not Bank Accounts 5:05 Private Keys & Cryptographic Signatures 6:20 Broadcasting to the Network: The LimeWire Analogy 7:44 The Mempool: Where Transactions Wait 7:57 Fee Markets: Supply, Demand & Block Space 8:26 Why Bitcoin Fees Are Radically Different 10:40 Blocks, Hashes & Why the Chain Is Immutable 12:00 Why Tampering Is Mathematically Insane 12:55 Six Confirmations: When a Transaction Is Final 13:21 Bitcoin vs. the Legacy System: Math vs. Permi…

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