ZeroNet | EPFL Graph Search

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ZeroNet is a decentralized web-like network of peer-to-peer users, created by Tamas Kocsis in 2015, programming for the network was based in Budapest, Hungary; is built in Python; and is fully open source. Instead of having an IP address, sites are identified by a public key (specifically a bitcoin address). The private key allows the owner of a site to sign and publish changes, which propagate through the network. Sites can be accessed through an ordinary web browser when using the ZeroNet application, which acts as a local webhost for such pages. In addition to using bitcoin cryptography, ZeroNet uses trackers from the BitTorrent network to negotiate connections between peers. ZeroNet is not anonymous by default, but it supports routing traffic through the Tor network. The ZeroNet website and bittorrent tracker are blocked in mainland China. Despite the censorship, however, it is still possible to access ZeroNet from behind the Great Firewall of China, even over Tor, by bootstrapping over Meek, and connecting to peers directly. There is no way to take down a ZeroNet page which still has seeders, thus making such pages immune to third-party methods of taking them down, including DMCA takedown notices. Development has stopped for several months after stable release of v0.7.1 on Github. The zeronet-conservancy fork maintains existing codebase and adds features aimed at gradually migrating to a new p2p network designed from scratch The feasibility of peer-to-peer online web-sites had been hypothesised for some time, with The Pirate Bay suggesting they would build a network, as well as BitTorrent Inc. which created the closed-source Project Maelstrom. Sites on ZeroNet are known as "zites" by its users. ZeroNet supports HTML, CSS and JavaScript. Server-side languages like PHP are not supported, although ZeroNet creates and gives API to interact with SQLite databases, their data also distributed (as JSON files) via P2P. By default, sites have a size limit of 10 megabytes, but users may grant a site permission to use more storage space if they wish.

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Internet censorship circumvention

Internet censorship circumvention, also referred to as going over the wall () or scientific browsing () in China, is the use of various methods and tools to bypass internet censorship. Various techniques and methods are used to bypass Internet censorship, and have differing ease of use, speed, security, and risks. Some methods, such as the use of alternate DNS servers, evade blocking by using an alternate address or address lookup system to access the site.

Darknet

A dark net or darknet is an overlay network within the Internet that can only be accessed with specific software, configurations, or authorization, and often uses a unique customized communication protocol. Two typical darknet types are social networks (usually used for with a peer-to-peer connection), and anonymity proxy networks such as Tor via an anonymized series of connections. The term "darknet" was popularized by major news outlets to associate with Tor Onion services, when the infamous drug bazaar Silk Road used it, despite the terminology being unofficial.

Anonymous P2P

An anonymous P2P communication system is a peer-to-peer distributed application in which the nodes, which are used to share resources, or participants are anonymous or pseudonymous. Anonymity of participants is usually achieved by special routing overlay networks that hide the physical location of each node from other participants. Interest in anonymous P2P systems has increased in recent years for many reasons, ranging from the desire to share files without revealing one's network identity and risking litigation to distrust in governments, concerns over mass surveillance and data retention, and lawsuits against bloggers.

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