Description
TL;DR: A privacy protocol that first relays a new transaction along a narrow random path, then diffuses it broadly across the Bitcoin network.
About This Document
Shaileshh Bojja Venkatakrishnan, Giulia Fanti, and Pramod Viswanath analyze how ordinary Bitcoin transaction diffusion can reveal the originating node. Dandelion separates propagation into a private stem phase and public fluff phase, then evaluates anonymity against adversarial observers and discusses network-topology and implementation choices.
Why Bitcoin People May Care
The paper targets network-layer privacy, not blockchain confidentiality: Bitcoin transactions remain publicly visible after broadcast. It is a 2017 research design rather than proof that a particular wallet or current node implementation is anonymous. Adversary placement, topology learning, relay behavior, and later protocol variants materially affect the protection offered.
What You Receive
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Document Details
- Title: Dandelion: Redesigning the Bitcoin Network for Anonymity
- Author / organization: Shaileshh Bojja Venkatakrishnan, Giulia Fanti, and Pramod Viswanath
- Year: 2017
- Language: English
- Document type: Bitcoin network-privacy research paper
- Pages: 19
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