# Chain Reaction Ltd.

> Chain Reaction is an Israeli-American semiconductor company designing custom ASICs for encrypted computation and Bitcoin mining. Its EL3CTRUM line powers next-generation hashing hardware, while its 3PU (Privacy Processor) accelerates Fully Homomorphic Encryption so cloud workloads in finance, healthcare and defense can run on encrypted data.

- **Founded:** 2019
- **Headquarters:** San Jose, California, United States (HQ); Yokneam Illit & Tel Aviv, Israel; Hsinchu, Taiwan
- **Founders:** Alon Webman (Co-founder & CEO), Oren Yokev (Co-founder)
- **Team size:** ~110 employees
- **Products:** EL3CTRUM E31, EL3CTRUM A31, 3PU (Privacy Processor)
- **Notable:** Raised $160M total across Seed through Series C., Taped out a 3nm Bitcoin mining ASIC targeting sub-10 J/TH., Emerged from stealth in Feb 2023 with backing from BlackRock and Morgan Creek Digital.

## Products & services

- **EL3CTRUM E31** — A 3nm ASIC-based Bitcoin mining platform with custom hashboards and three cooling options - air, hydro and immersion.
- **EL3CTRUM A31** — 3nm ASIC chip targeting sub-10 J/TH efficiency for next-generation Bitcoin miners.
- **3PU (Privacy Processor)** — A purpose-built processor that accelerates Fully Homomorphic Encryption and other privacy-enhancing technologies on encrypted data in the cloud.

## Achievements

- Raised $160M total across Seed through Series C.
- Taped out a 3nm Bitcoin mining ASIC targeting sub-10 J/TH.
- Emerged from stealth in Feb 2023 with backing from BlackRock and Morgan Creek Digital.
- Announced 2nm ASIC development program for future Bitcoin generations.

## Latest updates

- **2025-10** — Launched EL3CTRUM E31 Bitcoin mining platform with air, hydro and immersion cooling options; samples available May 2026, volume Q3 2026.
- **2025-09** — Announced 2nm ASIC development program.
- **2023-05** — Unveiled the EL3CTRUM family at Bitcoin 2023.
- **2023-02** — Raised $70M Series C and emerged from stealth.

## Links

- Website: https://chain-reaction.io
- LinkedIn: https://www.linkedin.com/company/chainreaction11
- Twitter/X: https://twitter.com/chainreactioni0

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Profile page: https://yespress.io/chain-reaction-ltd
Published by YesPress — https://yespress.io
Last updated: 2026-05-29