# Fhenix

**Canonical:** https://apis.io/providers/fhenix/  
**Website:** https://fhenix.io  
**APIs profiled:** 0

Fhenix is a blockchain R&D company building confidential computing for EVM-compatible chains using Fully Homomorphic Encryption (FHE). Its CoFHE (FHE Coprocessor) lets Solidity smart contracts compute directly on encrypted data — encrypt inputs client-side, operate on ciphertexts on-chain via the FHE.sol Solidity libraries, and unseal results through a threshold decryption network, so sensitive state stays private without ever being decrypted on-chain. The developer stack is a smart-contract-plus-client-library surface (not a REST API): the cofhejs TypeScript SDK, Hardhat/Foundry plugins and starters, the fhenix-contracts Solidity libraries, and mock contracts for local testing. CoFHE is live on public testnets (Ethereum Sepolia, Arbitrum Sepolia, Base Sepolia) with mainnet planned. Fhenix is backed by Multicoin Capital.

## Kin Score — 14.8 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 14.8).

| Facet | Score |
|---|---|
| Discoverability | 57.4 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 18.4 |
| Developer Ergonomics | 33.3 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Fhenix Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Tags

Company, Crypto Web3, Blockchain, Fully Homomorphic Encryption, Confidential Computing, Ethereum, Privacy, Smart Contracts, Web3, DeFi

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/fhenix/). Scores are computed from the provider's own public artifacts under a published rubric.