Bitcoin On-Chain Privacy Deep Dive: How They Track You

Bitcoin is completely public and permanent — every transaction you make is recorded on the blockchain forever. In this video I break down exactly how your on-chain activity can be used to track you, and the everyday habits and advanced tools you can use to defend your privacy. We'll cover UTXOs, change, address reuse, common ownership, chain surveillance, CoinJoin, and more using Sparrow Wallet and Mempool Space. ———————————————— 🔒 Need personal help? Reach out below: → https://www.thebitcoincourse.com/cons... ———————————————— 🔗 Tools mentioned in this video: Sparrow Wallet: https://sparrowwallet.com Mempool Space: https://mempool.space Start9: http://store.start9.com/discount/SOUTH More on the Samourai Wallet situation: https://freesamourai.com 📺 Videos mentioned: Bitcoin Privacy Fundamentals -    • Bitcoin Privacy Fundamentals: How to Stay ...   Silent Payments Tutorial -    • Bitcoin Silent Payments: Sparrow, BlueWall...   Mempool Space Tutorial -    • Mempool.Space Tutorial - Track Bitcoin Add...   Start9 Tutorial -    • Start9 Tutorial: Set up your Bitcoin Node ...   ———————————————— 📘 Want to understand Bitcoin security from the ground up? The Bitcoin Course teaches you how wallets, keys, backups, and recovery actually work — so you can make confident decisions, not just follow tutorials. → https://www.thebitcoincourse.com 📩 Free Guide: The 5 Most Common Bitcoin Self-Custody Mistakes → https://www.thebitcoincourse.com/bitc... ———————————————— ⏱️ Timestamps: 0:00 — Introduction 1:30 — Need help? 2:51 — Why privacy matters 3:40 — The Foundations: Understanding UTXOs 9:32 — How Spending UTXOs Works 13:00 — Bitcoin Change 16:26 — Tracing Transactions on Mempool Space 17:42 — How You Are Tracked 18:38 — The Biggest Privacy Mistake 20:06 — Common Ownership Heuristic 22:06 — Tracking Change Addresses 23:51 — Tracking Change: Heuristics & Clues 27:39 — Common Ownership Example 29:23 — Chain Surveillance and Clustering 31:15 — Defending Your Privacy: Best Daily Habits 32:42 — Defending Against Common Ownership 40:24 — Managing Small UTXOs: Consolidation Strategies 41:49 — Separate KYC and NO-KYC 43:04 — Making Change Harder to Track 46:25 — Advanced Privacy Techniques 46:48 — Reusable Addresses: Silent Payments & BIP47 48:10 — CoinJoin 53:28 — CoinJoin Mistakes 54:15 — Fake CoinJoins & Stonewall Transactions 55:58 — Layer 2 Privacy: Lightning & Liquid 57:33 — Swapping with Monero 59:10 — Conclusion ———————————————— Follow me: 🐦 X: https://x.com/ColeTU 🌐 Blog: https://thebitcoincourse.com/blog/