Description
TL;DR: A pre-Bitcoin anonymity paper that splits routing information and message content across disjoint paths instead of relying on network-wide public-key distribution.
About This Document
Sachin Katti, Dina Katabi, and Katarzyna Puchała describe a design inspired by onion routing but built without PKI. The sender divides information into slices that travel over separate paths; intermediate relays learn only the pieces needed to forward traffic, while the destination receives enough information to reconstruct the message. The paper focuses on source and destination anonymity, setup latency, malicious nodes, and key-management costs.
Why Bitcoin People May Care
Bitcoin users inherited a privacy problem larger than the blockchain. Network observers can learn from traffic even when transaction cryptography remains intact. This paper predates Bitcoin and does not propose a cryptocurrency network, but it documents a serious attempt to reduce metadata exposure in decentralized peer-to-peer routing.
What You Receive
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Document Details
- Title: Slicing the Onion: Anonymous Routing Without PKI
- Author / organization: Sachin Katti; Dina Katabi; Katarzyna Puchała
- Year: 2005
- Language: English
- Document type: Technical report
- Pages: 7
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