Cryptology ePrint Archive: Report 2022/287

User-Perceived Privacy in Blockchain

Simin Ghesmati and Walid Fdhila and Edgar Weippl

Abstract: This paper studies users’ privacy perceptions of UTXO-based blockchains such as Bitcoin. In particular, it elaborates -- based on interviews and questionnaires -- on a mental model of employing privacy-preserving techniques for blockchain transactions. Furthermore, it evaluates users' awareness of blockchain privacy issues and examines their preferences towards existing privacy-enhancing solutions, i.e., add-on techniques to Bitcoin versus built-in techniques in privacy coins. Using Bitcoin as an example, we shed light on existing discrepancies between users' privacy perceptions and preferences as well as current implementations.

Category / Keywords: applications / blockchain, privacy, anonymity, Bitcoin, mixing, wallets.

Date: received 2 Mar 2022, last revised 11 May 2022

Contact author: ghesmati at icloud com

Available format(s): PDF | BibTeX Citation

Version: 20220511:001329 (All versions of this report)

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