Why Mobile Crypto-Wallets Are Hard to Use
Over the past years, the cryptocurrency domain has grown substantially. As of May 2021, there exist over 6,000 different cryptocurrencies with a combined worth of over $2.5 trillion USD. The corresponding user base has also changed significantly and is no longer only made up of cypherpunks and computer experts as was the case in the […]
On the Heterogeneous Behaviors of the Crypto-Asset Users
Crypto-assets are unique in tying financial wealth to the secrecy of private keys. Prior empirical work has attempted to study end-user security from both technical and organizational perspectives. However, the link between individual’s risk perceptions and security behavior was often obscured by the heterogeneity of the subjects in small samples. This paper contributes quantitative results […]
Why Implicit Authentication is Hard to Understand
Implicit authentication (IA) has recently become a popular approach for providing physical security on smartphones. It relies on behavioural traits (e.g., gait patterns) for user identification, instead of biometric data or knowledge of a PIN. However, it is not yet known whether users can understand the semantics of this technology well enough to use it […]