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An Exploration of Bitcoin Mining Practices: Miners’ Trust Challenges and Motivations

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Published
Publication date4/05/2019
Host publicationProceedings of the 2019 CHI Conference on Human Factors in Computing Systems
PublisherACM
Number of pages13
ISBN (Print)9781450359702
Original languageEnglish
Event2019 CHI Conference on Human Factors in Computing Systems - Glasgow, United Kingdom
Duration: 4/05/20199/05/2019
https://chi2019.acm.org/

Conference

Conference2019 CHI Conference on Human Factors in Computing Systems
Abbreviated titleCHI '19
CountryUnited Kingdom
CityGlasgow
Period4/05/199/05/19
Internet address

Conference

Conference2019 CHI Conference on Human Factors in Computing Systems
Abbreviated titleCHI '19
CountryUnited Kingdom
CityGlasgow
Period4/05/199/05/19
Internet address

Abstract

Bitcoin blockchain technology is a distributed ledger of nodes authorizing transactions between anonymous parties. Its key actors are miners using computational power to solve mathematical problems for validating transactions. By sharing blockchain's characteristics, mining is a decentralized, transparent and unregulated practice, less explored in HCI, so we know little about miners' motivations and experiences, and how these may impact on different dimensions of trust. This paper reports on interviews with 20 bitcoin miners about their practices and trust challenges. Findings contribute to HCI theories by extending the exploration of blockchain's characteristics relevant to trust with the competitiveness dimension underpinning the social organization of mining. We discuss the risks of collaborative mining due to centralization and dishonest administrators, and conclude with design implications highlighting the need for tools monitoring the distribution of rewards in collaborative mining, tools tracking data centers' authorization and reputation, and tools supporting the development of decentralized pools.