Armin Sabouri recently demonstrated how wallet fingerprints can be used to decompose payjoin transactions and recover payment amounts, and in this episode he explains what that means for privacy tools across the board. Shinobi and Armin discuss why standardization efforts like BIP 69 backfired, whether randomization can help, and how wallets can stop standing out on-chain.

Grab your copy THE 2036 ISSUE👇https://store.bitcoinmagazine.com/pages/the-2036-issue

🔶 Shinobi — Bitcoin Magazine

🔶 Armin Sabouri — Payjoin Dev Kit contributor

Chapters:

01:08 Why Build a Dev Kit Instead of a Special-Purpose Privacy Wallet

02:25 What Is Payjoin? How It Differs from Coinjoin

02:54 How Chain Analysis Works: The Common Input Heuristic Explained

04:10 Payjoin's Limitations: Counterparty Privacy Trade-Offs

04:40 Wallet Fingerprints: The Attack That Deanonymizes Payjoins

06:58 Building Open-Source Chain Analysis to Fight Chainalysis

08:16 From Payjoin to Multi-Party Coinjoins: The NS1R Design

10:14 Intersection Attacks and Measuring Privacy Across the Transaction Graph

13:20 Roadmap: A Dozen New Wallet Integrations and Privacy Research Ahead

#Bitcoin #BitcoinPrivacy #Payjoin #PayjoinDevKit #Coinjoin #ChainAnalysis #WalletFingerprints #BitcoinDevelopment #BitcoinConference #BitcoinMagazine #ArminSabouri #Shinobi #Spiral #OpenSats #CakeWallet #BullBitcoin #OpenSource #BitcoinWallets #PrivacyTech #BitcoinResearch #BIP77 #CounterpartyPrivacy #TransactionGraph #BitcoinDev #PrivacyByDefault

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This MIT Researcher Has a Plan to Put Privacy in Every Bitcoin Wallet

Bitcoin Magazine Podcast

This MIT Researcher Has a Plan to Put Privacy in Every Bitcoin Wallet