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The original was posted on /r/selfhosted by /u/Eravex on 2025-02-20 20:20:46+00:00.
Hey everyone,
I’ve been working a project that I believe could help shift control of personal data back into the hands of users—introducing SPHERE: Secure Peer-to-Peer Hosted Encryption Record Exchange.
SPHERE is a fully decentralized, encrypted contact and identity framework that eliminates the need for central servers. It’s designed from the ground up with privacy, security, and scalability in mind, making it a foundation for apps that prioritize user control over data.
What Does SPHERE Do?
- Decentralized Identity Management: Each user controls their own data and contact list, shared only with approved peers.
- End-to-End Encryption by Default: Communication is fully encrypted with AES-256, RSA-2048, and ECDSA signatures to ensure secure and private interactions.
- Distributed Hash Table (DHT): Built-in decentralized storage for efficient peer discovery and secure contact management.
- Sybil-Resistant Proof-of-Work Token System: Protects the network from spam and bot attacks without the need for financial incentives or mining.
- Cross-Platform Support (Coming Soon): Currently optimized for .NET 8 with plans to extend support for Java and mobile platforms (Android/iOS).
How Can You Use SPHERE?
- Self-hosted contact manager → Own your contact list, share only with trusted contacts.
- End-to-end encrypted messaging → Build decentralized messaging systems without relying on centralized servers.
- Secure identity verification → Use cryptographic proofs instead of third-party logins (no more "Sign in with Google").
- Privacy-focused app backbone → Developers can build apps on SPHERE’s decentralized, zero-trust architecture.
Documentation & Resources
- GitHub Repository: SPHERE on GitHub
- Wiki & Technical Documentation: SPHERE Wiki
- Architecture Overview: SPHERE Architecture
- Getting Started Guide: Setup & Use
Why SPHERE?
Centralized platforms (even some decentralized projects) still rely on federated servers or third-party infrastructure. SPHERE aims to:
- Eliminate central points of failure
- Allow users to fully control their personal data
- Create a privacy-first framework for future decentralized applications
Looking for Feedback & Contributors
I’ve been developing SPHERE for about a month, and I’m now looking for feedback from this community:
- If you’re a developer interested in decentralized networks, encryption, or peer-to-peer systems, I’d love your thoughts.
- If you want to contribute, feel free to dive into the GitHub or suggest improvements.
- If you’re a privacy advocate or security researcher, I’m open to suggestions for improving SPHERE’s security model.
Quick Links
TL;DR:
SPHERE is an open-source, fully decentralized framework designed for privacy-first communication, contact management, and identity verification. It’s built to ensure that users own their data, not corporations or third parties.
I’m excited to hear your thoughts and collaborate with anyone interested in pushing decentralized technology forward!
Ask me anything!