# Tahoe-LAFS

> file system

**Wikidata**: [Q7675605](https://www.wikidata.org/wiki/Q7675605)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tahoe-LAFS)  
**Source**: https://4ort.xyz/entity/tahoe-lafs

## Summary
Tahoe-LAFS is a free and open-source decentralized file system designed for secure, distributed storage across multiple servers, emphasizing data integrity and privacy. Developed by cryptographer Zooko Wilcox-O'Hearn, it allows users to store and share files without relying on a single trusted authority. Initially released in 2007, it is primarily written in Python and used in cloud computing environments.

## Key Facts
- **Initial release**: 2007-05-02 (version 1.0).
- **Creator**: Zooko Wilcox-O'Hearn, a cypherpunk and computer scientist.
- **Programming language**: Python.
- **License**: GNU General Public License, version 2.0.
- **Key features**: End-to-end encryption, erasure coding for redundancy, and decentralized architecture.
- **Notable versions**: 1.10 (2014) and 1.20 (2025).
- **Use case**: Secure cloud storage with minimal trust in storage nodes.

## FAQs
### Q: What is Tahoe-LAFS used for?
A: Tahoe-LAFS is used for secure, decentralized file storage and sharing, particularly in cloud environments where data integrity and privacy are critical.

### Q: How does Tahoe-LAFS ensure security?
A: It employs end-to-end encryption and erasure coding, allowing data to remain accessible even if some storage nodes are compromised or offline.

### Q: Is Tahoe-LAFS free to use?
A: Yes, it is free and open-source software, licensed under the GNU General Public License version 2.0.

## Why It Matters
Tahoe-LAFS addresses the challenge of secure data storage in untrusted environments by eliminating single points of failure. Its decentralized design ensures that files are split into encrypted segments distributed across multiple servers, making it resilient to censorship, server failures, or malicious actors. This makes it a significant tool for organizations and individuals prioritizing data privacy and integrity, particularly in cloud computing contexts. By providing a robust alternative to traditional centralized storage systems, Tahoe-LAFS contributes to the broader movement toward decentralized and privacy-preserving technologies.

## Notable For
- **Decentralized architecture**: Avoids reliance on a single trusted authority or server.
- **Erasure coding**: Enables data recovery even if a subset of storage nodes is unavailable.
- **End-to-end encryption**: Ensures data confidentiality during transmission and storage.
- **Open-source development**: Promotes transparency and community-driven security audits.

## Body

### Inception and Development
- **Initial release**: May 2, 2007.
- **Primary developer**: Zooko Wilcox-O'Hearn, with contributions from a global community.
- **Programming language**: Built using Python, with critical components like `zfec` for erasure coding.

### Technical Features
- **Encryption**: Files are encrypted before distribution, ensuring only authorized users can access content.
- **Erasure coding**: Data is split into redundant fragments (using `zfec`), allowing recovery from a subset of nodes.
- **Decentralization**: Files are stored across multiple servers, eliminating single points of failure.

### Versions and Releases
- **Version 1.10**: Released November 17, 2014.
- **Version 1.20**: Released January 9, 2025, with ongoing updates maintained through GitHub and Trac.

### Availability and Licensing
- **Source code**: Hosted on GitHub and tracked via Trac at [https://tahoe-lafs.org/](https://tahoe-lafs.org/).
- **Licensing**: GNU General Public License, version 2.0, ensuring freedom to use, modify, and distribute.

### Ecosystem Integration
- **Package availability**: Included in Debian, Gentoo, and NetBSD repositories.
- **Community tools**: Supported by continuous integration via Travis CI and an active developer mailing list.

## References

1. [The tahoe-lafs Open Source Project on Open Hub: Languages Page. Open Hub](https://www.openhub.net/p/tahoe-lafs/analyses/latest/languages_summary)
2. [Source](https://tahoe-lafs.org/pipermail/tahoe-announce/2013-May/000036.html)
3. [Source](https://lists.tahoe-lafs.org/pipermail/tahoe-dev/2024-December/010111.html)
4. Quora
5. [Source](https://gitweb.gentoo.org/repo/gentoo.git/commit/net-fs/tahoe-lafs?id=08ead17b4c1ad65eeebe6bd87ed8c8b381bffa39)