Entropy (anonymous data store)

EntropyDeveloper(s)| Pullmoll

|

Initial release| 2003
Final release|

0.9.1-439 / 2005-10-06

Written in| C
Operating system| Windows, Unix
Available in| English, German
Type| Anonymity, peer-to-peer

Entropy was a decentralized, peer-to-peer communication network designed to be resistant to censorship, much like Freenet. Entropy was an anonymous data store written in the C programming language. It pooled the contributed bandwidth and storage space of member computers to allow users to anonymously publish or retrieve information of all kinds. The name Entropy was a backronym for "Emerging Network To Reduce Orwellian Potency Yield", referring to George Orwell's novel Nineteen Eighty-Four and its totalitarian thought police enslaving people by controlling their information.

Entropy was designed to be compatible with the similar Freenet system. As such, any Freenet client could be configured to run on the Entropy network. However, Entropy and Freenet data stores are not compatible with each other and therefore do not share data.

Entropy featured a news interface, for reading and posting on the latest frost message boards from within the client.

## Contents

* 1 Status
* 2 See also
* 3 References
* 4 External links

## Status

On July 9, 2004, the creator of Entropy announced that he had stopped work on the project[1] amid uncertainty about the security of the included algorithms, namely the McEliece cryptosystem.

McEliece has been proven resistant to attack by Quantum Fourier Sampling as used by Shor's algorithm.[2]

## See also

* Anonymous P2P

## References

1. ↑ Entropy Project Closes Up Shop. Slashdot July 10, 2004
2. ↑ The McEliece Cryptosystem Resists Quantum Fourier Sampling Attacks

## External links

* homepage, (archived link, June 2, 2003)

* v
* t
* e

Peer-to-peer file sharing

Networks,
protocols|

| List|

* List of P2P protocols

|

Decentralized|

* Ares
* BitTorrent
* FastTrack
* OpenFT
* Gnutella
* Gnutella2
* Overnet
* WinMX

Server-based|

* Direct Connect
* eDonkey2000
* Kad
* OpenNap

Anonymous|

* Freenet
* GNUnet
* MUTE
* Oneswarm
* Perfect Dark
* RetroShare
* Share
* StealthNet
* WASTE
* Winny

Single client|

* DAT
* Filetopia
* Fopnu
* Soribada
* Soulseek

Comparisons
of clients|

* Advanced Direct Connect
* BitTorrent
* Direct Connect
* eDonkey
* Gnutella
* Gnutella2

Hyperlinks|

* eD2k
* Magnet
* Metalink

Uses|

* Backup
* Broadcatching
* Segmented file transfer
* Disk sharing
* game & video sharing
* Image sharing
* Music sharing
* Peercasting
* Sharing software
* Web hosting (Freesite, IPFS, WebTorrent, ZeroNet)
* Legal aspects

Concepts|

| Privacy|

* Anonymous P2P
* Darknet
* Darkweb
* Friend-to-friend
* I2P
* Open Music Model
* Private P2P
* Seedbox
* Tor
* Virtual private network

|

Internal
technologies|

* Distributed data store
* DHT
* Merkle tree
* Mix networks
* NAT traversal
* PEX
* Protocol Encryption
* SHA-1
* Super-seeding
* Tracker
* UDP hole punching
* µTP

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