In this document we summarize the findings of a high-level expert meeting on the topic of trust in blockchain based decentralized data infrastructures. The meeting concluded that contrary to the dominant discourse blockchain technologies are not trustless. In fact trust is a major, unresolved...

The rapidly evolving blockchain technology space has put decentralisation back into the focus of the design of techno-social systems, and the role of decentralised technological infrastructures in achieving particular social, economic, or political goals. In this entry we address how blockchains...

Decentralisation as a concept is attracting a lot of interest, not least with the rise of decentralised and distributed techno-social systems like Bitcoin, and distributed ledgers more generally. In this paper, we first define decentralisation as it is implemented for technical architectures and...