Mentor Sessions Ep. 056: Bitcoin Privacy Is At Risk (But These Fixes Are Coming) | NVK & Francis PouliotAddress reuse is silently destroying Bitcoin privacy—and most Bitcoiners have no idea how exposed they are. Coinkite founder NVK and Bull Bitcoin founder Francis Pouliot break down the most critical privacy vulnerabilities in Bitcoin today, why kidnappings tied to crypto wealth are surging across Europe (one every four days in France), and the technical solutions finally closing the gap. From silent payments and async pay join to BIP322 proof of reserves and UTXO management, this is the most comprehensive Bitcoin privacy conversation of 2025. Learn why giving your xpub to an exchange is catastrophic, how 5% pay join adoption could break chain analysis entirely, and why Nostr disposable identities may be the missing piece for private payments. If you hold Bitcoin, this episode could protect your life—not just your stack.About NVK: Founder of Coinkite, creators of the COLDCARD.🐦 https://x.com/nvk | 🌐 https://coinkite.comAbout Francis Pouliot: CEO of Bull Bitcoin.🐦 https://x.com/francispouliot_ | 🌐 https://bullbitcoin.comChapters:00:00:00 Teaser & Intro – Bitcoin Privacy Risks Are Real00:01:05 Where Bitcoin Self-Custody Stands Today00:03:32 Three Unsolved Bitcoin Problems: Privacy, Speed & Inheritance00:05:46 The UX Problem: Aggregating Bitcoin Tools00:08:16 Dangers of Single-Vendor Bitcoin Solutions00:11:27 Silent Payments Explained: What They Are & Why They Matter00:13:06 Async Pay Join & BIP77: Underused Privacy Tool00:15:35 Why Receiving Silent Payments Is Hard00:17:10 Nostr as a Payment Identity Layer00:19:41 Disposable Identity: The Missing Privacy Piece00:23:00 Silent Payments Into Wasabi: The Dream Flow00:28:13 Why xpub Sharing Is a Privacy Disaster00:30:44 On-Chain Privacy vs Layer 2 Privacy00:33:38 How Pay Join Breaks Chain Analysis00:37:11 Network-Level Privacy Tools: Kyoto & Floresce00:39:43 Why Bitcoin Kidnappings Are Surging in Europe00:41:32 Identity Leaks & KYC Data Exposure00:44:04 ColdCard Firmware: BIP322 Proof of Reserves00:48:20 WIF Private Key Signing on ColdCard00:51:34 UTXO Management: The Underrated Problem00:54:14 Push Transactions & Broadcast Privacy00:59:43 Migrating Wallets Privately: The Right Way01:05:06 Lightning at Merchant Scale: Still Not There01:09:39 Cashu Mints, Federation Models & Trust Trade-offs01:14:26 MintChip: Canada's Forgotten Digital Cash01:19:57 Liquid Network, Stablecoins & Confidential Transactions01:32:44 Depix: Brazil's Liquid Stablecoin Explained01:37:00 Bitcoin Development Happening at the App Layer01:39:17 What's Coming from Coinkite & Bull Bitcoin⚡ Abundant Mines – Fully managed Bitcoin mining: https://qrco.de/bgYKPB🔒 COLDCARD – 5% off the best hardware wallet: https://qrco.de/bfiDBV🛡️ Dirty Man Safe – 10% off with code BTCSESSIONS: https://dirtymansafe.com🏠 Horizon – Unlock home equity for Bitcoin: https://joinhorizon.com/?ref=BTCSESSIONS💡 Bitcoin Mentor – Book a private session: btcmentor.ioPrevious Episode with Matt Hill: https://youtu.be/Dv1-JfjxuAYFollow Us on X: @BTCsessions | @theBTCmentor | @GaryLeeNYC#Bitcoin #BitcoinPrivacy #SilentPayments #PayJoin #ColdCard #NVK #FrancisPouliot #BullBitcoin #Coinkite #UTXOManagement #BitcoinSecurity #ChainAnalysis #BIP322 #ProofOfReserves #LightningNetwork #Nostr #BTCSessions #BitcoinPodcast #SelfCustody #HardwareWallet