SoK: Cryptocurrency Wallets -- A Security Review and Classification based on Authentication Factors

arXiv:2402.17659v1 Announce Type: new
Abstract: In this work, we review existing cryptocurrency wallet solutions with regard to authentication methods and factors from the user's point of view. In particular, we distinguish between authentication factors that are verified against the blockchain and the ones verified locally (or against a centralized party). With this in mind, we define notions for $k-factor$ authentication against the blockchain and $k-factor$ authentication against the authentication factors. Based on these notions, we propose a classification of authentication …

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