Understanding the Transition
What's changing, what stays the same, and what it means for you
Version Update
Open, decentralized cloud and AI marketplace
The Transition from v3 to v4
The transition from ThreeFold Grid v3 to Project Mycelium v4 brings a more sustainable, market-driven ecosystem while preserving the core values of decentralization and community ownership.
v3
ThreeFold Grid
Proof of Capacity
v4
Project Mycelium
Utilization Marketplace
v3
Zero-OS Era
- Earn for providing capacity
- Protocol-set pricing
v4
Mycelium OS Era
- Earn when capacity is rented
- Farmer-set pricing ranges
What is Changing
Project Identity
- Name changes from ThreeFold Grid to Project Mycelium
- Operating system changes from Zero-OS to Mycelium OS (MOS)
- New branding reflects shift to production-ready infrastructure
Token System
- Primary token changes from TFT to SPORE
- New utility token AUR for stable pricing
- One-way bridge converts TFT to SPORE at 10:1 ratio
- Bridge available until June 30, 2026
Economic Model
- From proof-of-capacity to utilization-based marketplace
- Farmers earn when capacity is rented, not just for providing it
- 80% of rental revenue goes to farmers
- Bid tiers provide income floor
Self-Hosting
- v3: Self-hosting is paid
- v4: Use your own capacity at no cost
- Only idle resources are offered to marketplace
- Complete freedom for personal projects
Complete Comparison
| Aspect | v3 (Zero-OS) | v4 (Mycelium OS) |
|---|---|---|
| Project Name | ThreeFold Grid | Project Mycelium |
| Operating System | Zero-OS | Mycelium OS |
| Primary Token | TFT | SPORE |
| Utility Token | None | AUR (gold-pegged) |
| Earning Model | Proof of Capacity | Utilization Marketplace |
| Revenue Split | Varies | 80% farmer / 10% burn / 10% protocol |
| Self-Hosting | Paid | Free |
| Pricing Control | Protocol-set | Farmer-set (within ranges) |
| Income Floor | None | Bid tier guarantees |
| Current Status | Operational | In Development |
What Stays the Same
Your Hardware
Existing hardware works with v4 if it meets minimum requirements (16 cores, 32GB RAM, 1TB SSD)
v3 Continues
V3 continues to operate and will remain supported. Upgrade when you're ready
Community
Forums, support channels, and community resources remain available
Core Mission
Decentralized, community-owned infrastructure remains the foundation
Open Source
All code remains open source and transparent
Your Location
Farm from anywhere with an internet connection