Grassroots Social Networking: Where People have Agency over their Personal Information and Social Graph

• URL: http://arxiv.org/abs/2306.13941v5
• Date: Wed, 1 May 2024 12:02:47 GMT
• Title: Grassroots Social Networking: Where People have Agency over their Personal Information and Social Graph
• Authors: Ehud Shapiro,
• Abstract summary: We present a grassroots architecture for serverless, permissionless, peer-to-peer social networks termed Grassroots Social Networking. The architecture incorporates (i) a decentralized social graph, where each person controls, maintains and stores only their local neighborhood in the graph. We provide two example Grassroots Social Networking protocols -- Twitter-like and WhatsApp-like -- and address their security (safety, liveness and privacy), spam/bot/deep-fake resistance, and implementation.
• Score: 2.06682776181122
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Offering an architecture for social networking in which people have agency over their personal information and social graph is an open challenge. Here we present a grassroots architecture for serverless, permissionless, peer-to-peer social networks termed Grassroots Social Networking that aims to address this challenge. The architecture is geared for people with networked smartphones -- roaming (address-changing) computing devices communicating over an unreliable network (e.g., using UDP). The architecture incorporates (i) a decentralized social graph, where each person controls, maintains and stores only their local neighborhood in the graph; (iii) personal feeds, with authors and followers who create and store the feeds; and (ii) a grassroots dissemination protocol, in which communication among people occurs only along the edges of their social graph. The architecture realizes these components using the blocklace data structure -- a partially-ordered conflict-free counterpart of the totally-ordered conflict-based blockchain. We provide two example Grassroots Social Networking protocols -- Twitter-like and WhatsApp-like -- and address their security (safety, liveness and privacy), spam/bot/deep-fake resistance, and implementation, demonstrating how server-based social networks could be supplanted by a grassroots architecture.

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