Fhenix airdrop guide: farm the $22M FHE layer bringing privacy to Ethereum (2026)

Every transaction you make on Ethereum is public forever. Your balances, your positions, your counterparties, your strategy. Everyone accepts this as the price of admission, and it is the single biggest reason serious money stays off-chain. Fhenix is one of the few teams solving it properly, using Fully Homomorphic Encryption to let contracts compute on data while it stays encrypted. It has raised $22 million from Multicoin Capital and Hack VC, its CoFHE coprocessor is live on three public testnets, and there is no token. Start at Fhenix.

Fhenix is a blockchain R&D company building privacy-preserving infrastructure for Ethereum and EVM chains using Fully Homomorphic Encryption (FHE). FHE is the genuinely remarkable bit: it lets a computer perform calculations on encrypted data without ever decrypting it. The contract does the math, produces a correct result, and never sees the inputs. For decades that was a theoretical curiosity that was far too slow to use. Making it practical on-chain is the hard engineering problem Fhenix exists to solve.

The concrete product is CoFHE, an FHE coprocessor for EVM-compatible chains. That architecture choice matters: rather than demanding everyone migrate to a new privacy chain, CoFHE plugs encrypted computation into chains that already exist. It is live on three public testnets: Ethereum Sepolia, Arbitrum Sepolia and Base Sepolia, and the second testnet launched on 4 June 2025, opening CoFHE's features up for people to actually try. Mainnet is planned to follow.

On funding, Fhenix has raised $22 million since 2023: a $15 million Series A led by Hack VC (with dao5, Amber Group, Primitive, GSR Markets and Collider Ventures), preceded by a $7 million seed led by Multicoin Capital and Collider Ventures (with Node Capital, Bankless Ventures, Hack VC, Tane, Metaplanet and Robot Ventures). Multicoin and Hack VC are not tourists in infrastructure. Build on Fhenix.

No. As of late 2025 the team had not disclosed any details of a native token, and no airdrop is confirmed. This is a speculative, effort-based positioning play, and it should be described that way.

The signals are strong for the category, though. $22 million from Multicoin Capital and Hack VC is exactly the profile of backers who expect a token event. There is a live public testnet campaign across three networks, which is the standard mechanism for identifying early contributors. And privacy infrastructure has an unusually consistent history of rewarding testnet participants, because these networks need real usage and real developers far more than they need another wallet address. Nothing is promised. But your cost here is time, not capital, and that changes the calculation entirely.

• Project: Fhenix
• Type: Privacy infrastructure for Ethereum and EVM chains using Fully Homomorphic Encryption (FHE)
• Status: Public testnets live. Mainnet planned. No token disclosed
• Core product: CoFHE - an FHE coprocessor for EVM-compatible chains
• Live on: Ethereum Sepolia, Arbitrum Sepolia, Base Sepolia
• 2nd testnet: launched 4 June 2025, opening CoFHE features for testing
• Funding: $22M total - $15M Series A led by Hack VC (dao5, Amber Group, Primitive, GSR, Collider); $7M seed led by Multicoin Capital and Collider (Node Capital, Bankless Ventures, Hack VC, Tane, Metaplanet, Robot Ventures)
• Founded: 2023
• Cost to farm: effort, not capital
• Related airdrops: Ritual, GenLayer, Miden
• Join: Fhenix

The highest-value way to farm a developer airdrop is to ship something real on the protocol: a contract, an integration, a working deployment. On Fhenix that means a contract that actually uses encrypted computation, which is exactly what the team needs and what almost nobody will do. If you cannot code, you do not have to miss out.

Terry, the founder of airdropSEA, builds dapps himself and can build your Fhenix footprint for you, so you have a genuine builder presence on the network. Name your price. In many cases he will do it for free to get you positioned. Reach out:

• WhatsApp: chat.whatsapp.com/Jz4b5sK4BE5GHxfM5BfkBz
• Telegram: t.me/airdropseadotcom

You can also ship it yourself with Deployr , our build arm, which deploys a real app or contract on your own wallet without the toolchain pain.

Nothing meaningful. Testnet gas comes from faucets, there is no deposit, no collateral and nothing at financial risk. Your costs are time and, if you build, the effort of learning an unfamiliar programming model, because writing contracts over encrypted data is genuinely different from normal Solidity and that learning curve is real. Budget attention, not money. The honest downside is opportunity cost: you may spend weeks on a testnet that never produces a token, and unlike a yield farm there is no consolation return while you wait.

Fhenix is well-credentialed for pre-mainnet infrastructure. $22 million raised, with Multicoin Capital and Hack VC leading rounds, is serious diligence from funds with strong track records in exactly this category, and CoFHE being live across three public testnets is shipped software rather than a promise. Because farming is testnet-only, there is no capital at risk: no liquidation, no depeg, no drained vault.

The honest risks are of a different kind. The airdrop is unconfirmed and no token has been disclosed, so your effort is what is exposed. FHE is computationally expensive, and the open engineering question for every FHE project is whether performance reaches a level where real applications are practical at mainnet scale; that is a genuine technical risk, not marketing. And as always with anticipated tokens, phishing is the actual way people lose money here: fake "Fhenix claim" pages will appear. Use only the official fhenix.io domain, never approve a token allowance to claim a testnet reward, and never share your seed phrase. Read how to avoid airdrop scams .

What is FHE, in plain terms?

Fully Homomorphic Encryption lets a computer do maths on encrypted data without decrypting it. The contract computes a correct answer while never seeing the inputs. That is what makes private balances, sealed-bid auctions and confidential DeFi possible on a public chain, and it is why the technology matters beyond the airdrop.

How do Fhenix rewards work?

There is no published points dashboard or conversion. It is a testnet campaign: interact with CoFHE across the supported testnets, build, and contribute. No token has been disclosed, so treat any reward as unconfirmed.

What is CoFHE and where is it live?

CoFHE is Fhenix's FHE coprocessor for EVM chains, live on Ethereum Sepolia, Arbitrum Sepolia and Base Sepolia. The coprocessor design means chains do not have to migrate to get encrypted computation, which is why Fhenix's reach is wider than a standalone privacy chain.

Is there a Pendle or fixed-yield angle on Fhenix?

No. There is no token, no yield-bearing asset and no financial position at all, so no PT/YT market exists or could. This is a pure effort-based farm, which is exactly why it is less crowded than deposit-based ones.

What are related airdrops to farm alongside Fhenix?

The dev-infrastructure cluster: Ritual ($25M, AI execution layer) and GenLayer (AI-native Intelligent Contracts). All three are pre-token and effort-based, so the same work compounds. See developer airdrops and grants .

Related: Ritual airdrop guide , GenLayer airdrop guide , and why developer airdrops pay the people who ship . Full list: browse the airdrops catalog .

Fhenix is $22M of Multicoin and Hack VC money betting that Ethereum gets privacy, and the way in costs you effort instead of capital. Join airdropSEA, get on Fhenix, and ship alongside a family that farms the builder side.

Research, not financial advice. Web3 carries risk, do your own diligence.