Folyum

DeFi
Italy

About the project

Folyum is a platform for permissionless, tokenized ETFs that use arbitrage to keep both the ETF price aligned with NAV and the underlying portfolio close to its target allocation. Each ETF is backed by a basket of tokenized assets. When users mint or redeem, Folyum prioritizes underweight assets entering the portfolio and overweight assets leaving it. This allows a single arbitrage operation to simultaneously bring the ETF price closer to NAV and rebalance its underlying portfolio, turning mar

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GitHub · Source code nektarlabs/ folyum

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Team

Alessandro Manfredi
Founder

Blockchain engineer and founder working on smart contracts, cross-chain infrastructure, tokenized assets, DeFi, privacy, and AI systems. Experienced in building production-grade blockchain products, from protocol design to implementation and integration.

Updates

Progress from the team.

Alessandro Manfredi

Sep 29, 2026

Pinned Looking for testers

Folyum is basically ready for testing 🌿 The core flow is live and working: users can mint and redeem the ETF, while arbitrage helps keep both NAV and portfolio weights in balance. I’m now looking for testers to try the product, break things, and give feedback on the UX and me…

Alessandro Manfredi

Sep 21, 2026

Looking for testers

Today was a pretty good stress test for Folyum. The US Growth ETF moved quite a bit, ending around +3.9% over 24h, but the market price still stayed basically aligned with NAV, with only around 0.4 bps difference in the latest snapshot. The part I care about more is what hap…

Alessandro Manfredi

Sep 17, 2026

Looking for testers

This is Folyum running on Robinhood Testnet. The ETF NAV is moving up while the vault composition stays very close to its target weights. In this snapshot, the maximum portfolio drift is only 0.14%. At the same time, the ETF is trading slightly above NAV, creating an arbitrage…