Nicolas Christin

schoolCarnegie Mellon Universitybar_chart#2725 Global Rank

Total Papers

HCI Rank

#2725

Research Areas

Years Active

Recent Publications

Passing Down Passwords: How Older Adults Approach Postmortem Account Access and Digital Estate Planning

Traditional estate planning practices enable people to provide their heirs access to the assets left behind but are often insufficient for the transfer and management of online accounts. To understand how estate planning practices could be improved, we conducted 21 semi-structured interviews with older adults in the U…

CHI '24CorrespondingRecommender System UX

Stranger Danger? Investor Behavior and Incentives on Cryptocurrency Copy-Trading Platforms

Several large financial trading platforms have recently begun implementing ``copy trading,'' a process by which a leader allows copiers to automatically mirror their trades in exchange for a share of the profits realized. While it has been shown in many contexts that platform design considerably influences user choice…

CHI '19CorrespondingPrivacy by Design & User Control +1

A Field Study of Computer-Security Perceptions Using Anti-Virus Customer-Support Chats

Understanding users' perceptions of suspected computer-security problems can help us tailor technology to better protect users. To this end, we conducted a field study of users' perceptions using 189,272 problem descriptions sent to the customer-support desk of a large anti-virus vendor from 2015 to 2018. Using qualit…

CHI '18CorrespondingPasswords & Authentication +2

"It's not actually that horrible": Exploring Adoption of Two-Factor Authentication at a University

Despite the additional protection it affords, two-factor authentication (2FA) adoption reportedly remains low. To better understand 2FA adoption and its barriers, we observed the deployment of a 2FA system at Carnegie Mellon University (CMU). We explore user behaviors and opinions around adoption, surrounding a mandat…

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