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Supporting the portability of profiles using the blockchain in the Mastodon social network

Surquin, Corentin ; Rossaro, Alessandra
(2019)

Files

Surquin_21611100_2019.pdf
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Details

Supervisors
Riviere Etienne ; Sadre Ramin
Faculty
Ecole polytechnique de Louvain
Degree label
Master [120] en sciences informatiques
Abstract
This thesis addresses an issue related to social networks in a decentralized context. Identities are tied to an instance of the federation which implies that there are no global identities by design. This causes trouble in the case when a person wants to migrate to another instance. They cannot migrate their identity and they will lose their followers and content. This is a real issue in a network where social connections are core. This work tries to design solutions based on distributed ledger technologies to solve the lack of global identities. This includes a state of the art of blockchain-based applications and concepts like decentralized identities or self-sovereign identities are discussed. A prototype based on Hyperledger Fabric is described. It allows to authenticate to different instances of Mastodon with credentials stored on the blockchain.