fungibility

bitcoin and privacy
A Treatise on Bitcoin and Privacy Part 1: A Match Made in the Whitepaper
Larry Harmon and Bitcoin Privacy
Bitcoin Fungibility, Mixing and the Legal Limits on Maintaining Privacy
Privacy & security - CoinJoin: Combining Bitcoin Transactions to Obfuscate Trails and Increase Privacy
CoinJoin: Combining Bitcoin Transactions To Obfuscate Trails And Increase Privacy