What Nimbus does

Nimbus is a private open-source project developing lightweight Ethereum protocol clients, operated by the Logos Collective Association, registered in Zug, Switzerland, and built and maintained by Status since its announcement in August 2018. Its core product is a suite of Ethereum clients written in the Nim programming language, spanning four components: the production-ready Consensus Client that monitors the Beacon Chain and runs validators for proof-of-stake; the in-development Execution Client for the post-merge execution layer; the Portal Client (Fluffy), an ultra-light client for the Portal Network; and the Verified Web3 Proxy, a JSON-RPC proxy that verifies node data using beacon chain light client sync. The clients are engineered for minimal CPU and memory consumption, enabling operation on Raspberry Pi-class devices, mobile phones, and alongside other workloads on enterprise servers, with documented support for 500 validators per node on mainnet and reward performance comparable to resource-heavier clients per the Miga Labs independent study.

The offering is a free, common-good software suite distributed under liberal open-source licensing via GitHub. There is no commercial pricing or paid tier; revenue mechanics rest on community donations at a published address, Gitcoin Grants, and institutional funding from the Ethereum Foundation (including the Client Diversity Incentive Program) and the Institute of Free Technology. Go-to-market is community-led, emphasizing developer relations through Discord, Twitter/X, a blog, a Google Groups release newsletter, and comprehensive technical documentation at nimbus.guide. Customer-facing relationships span solo stakers, professional institutional node operators, liquid staking protocols (Lido, Rocket Pool, Stader, Diva, Octant), home-node hardware providers (Avado, DappNode, Ethereum on ARM, Stereum), and embedded/IoT operators integrating Nimbus at the OS layer (ethOS), all using the software without paying license fees.

Name

Nimbus

Legal name

Logos Collective Association

Website

https://nimbus.team

Company type

Private

Founded year

2018

Operating status

Operating

Headcount range

1–10 employees

Short description

Nimbus is an open-source Ethereum client suite written in Nim, offering a production consensus client, an in-development execution client, an ultra-light Portal client, and a verified Web3 proxy. It serves Ethereum solo stakers, institutional node operators, liquid staking protocols, and embedded/IoT deployments as a free public good.

Ownership category

akta.pro rank

Product category

Ethereum Client Software

NAICS

Software Publishers (5132), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182), Computer Systems Design Services (541512)

SIC

Services-Prepackaged Software (7372), Security & Commodity Brokers, Dealers, Exchanges & Services (6200)

akta.pro primary industry

NFV Infrastructure (NFVI) (HDAFANAB)

akta.pro secondary industries

Private Cloud Networking & SDN/NFV Management (HDABABAK), NFV Infrastructure (NFVI), Virtual Network Functions (VNFs) & Cloud-Native Network Functions (CNFs) (HDAIAIAB)

Keywords

• Ethereum consensus client
• Blockchain node software
• Proof of stake validator
• Light client implementation
• Trusted RPC proxy

Headquarters

HQ city

Zug

HQ country

Switzerland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Operations, Others

Revenue model

1. Open Source Public Good: Nimbus is developed as a free and open-source common good with liberal licensing. The project does not sell software directly but relies on community donations and institutional funding to sustain operations and development.
2. Donations: Accepts cryptocurrency donations at address 0xDeb4A0e8d9a8dB30a9f53AF2dCc9Eb27060c6557. Donations fund bounties, code audits, and hardware for testing (from Raspberry Pis to feature phones). Conditional donations tied to milestones are accepted via direct contact.
3. Gitcoin Grants: Participates in Gitcoin grant program for ongoing funding from the community. Used alongside direct donations to fund project operations.
4. Institutional Funding: Supported by Institute of Free Technology (IFT) as a member of its startup portfolio, and by the Ethereum Foundation through grants and incentive programs.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels6 records

Core offering

Nimbus is an open-source suite of Ethereum client implementations written in the Nim programming language, designed for low resource consumption so the software can run on constrained devices and embedded systems. The suite includes a consensus client for proof-of-stake validation, an execution client under development, a Portal/light client called Fluffy, and a Nimbus Verified Web3 Proxy that fronts untrusted RPC providers with cryptographic trust-minimized responses.

Product overview

Nimbus is a suite of Ethereum client implementations designed to be lightweight, easy to use, and adaptive. The product portfolio consists of four interconnected clients: the Consensus Client (the first production-ready implementation that handles proof-of-stake validation), the Execution Client (a lightweight execution layer in development), the Verified Web3 Proxy (for verifying RPC data using beacon chain protocols), and the Portal Client also known as 'Fluffy' (an ultra-light client for trust-minimized Ethereum interaction). All clients are written in Nim for low resource consumption, enabling operation on embedded systems and lower-specification devices while maintaining high performance.

Differentiator

Problem solved

Functional benefit

Products and services

• Nimbus Consensus Client A production Ethereum proof-of-stake consensus client that runs beacon chain validator duties. It is used by institutional staking providers such as Lido, P2P, DSRV, Staking Facilities, ParaFi, Lattice, and Cassava, as well as by solo stakers, including on resource-constrained devices.
• Nimbus Execution Client An Ethereum execution layer client in development by the Nimbus team, intended to pair with the Nimbus Consensus Client for full node operation.
• Nimbus Portal Client (Fluffy) An Ethereum Portal Network light client implementation that enables trust-minimized access to Ethereum chain data without operating a full node.
• Nimbus Verified Web3 Proxy A proxy that fronts untrusted JSON-RPC providers and returns cryptographically verified responses using light client proofs, allowing wallets and DApps to read Ethereum state trustlessly.

Quantifiable outcome

• Minimal CPU and Memory consumption confirmed by independent Miga Labs study comparing consensus clients after Dencun hard fork
• +2 more outcomes

Named customers20 records

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Feature7 records

Partnerships

Six partnerships are on record, tiered core and minor.

• ethOScoreStrategic or Co-development PartnerCollaboration on verified web3 proxy. ethOS integrates Nimbus light client at the OS layer, enabling embedded trustless Ethereum connectivity on mobile devices. The verified web3 proxy POC provides additional protections using beacon chain light client sync protocol.
• Portal NetworkcoreStrategic or Co-development PartnerCross-team Ethereum Foundation initiative for developing true Ethereum light clients. Nimbus contributes the Portal Client (Fluffy) implementation as part of this effort to enable light client vision.
• Consensys DiligenceminorOthersConducted security audits of Nimbus consensus client code.
• Trail of BitsminorOthersConducted security audits of Nimbus consensus client code.
• NCC GroupminorOthersConducted security audits of Nimbus consensus client code.
• StatuscoreStrategic or Co-development PartnerStatus, the creator of the Ethereum-based decentralized messaging application, first announced Nimbus in August 2018. Nimbus is built and maintained by the same organization, with shared resources and strategic alignment.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Status: Parent organization of Nimbus and developer of the Ethereum-based decentralized messaging app. Provides funding, organizational infrastructure, and shared resources (VacP2P, Nim libraries) underpinning Nimbus.

Others

• Waku: Sibling project within the Status/IFT/Logos ecosystem providing privacy-preserving messaging infrastructure. Comparable as a fellow open-source Web3 public good under the same Logos Collective legal entity.

Direct peers

• Geth (Go Ethereum): The dominant Ethereum execution client written in Go. Directly competes with Nimbus in the Ethereum client ecosystem, particularly relevant as Nimbus develops its own execution client to compete in the same category.
• Lighthouse: Sigma Prime's Ethereum consensus client written in Rust. The closest direct competitor in the consensus client category, with similar focus on performance and used by many of the same institutional stakers (e.g., Lido CSM operators).
• Nethermind: .NET-based Ethereum execution client. Frequently paired with Nimbus CL in production (top combo among Lido CSM operators), and increasingly a head-to-head competitor as Nimbus develops its own execution client.
• Prysm: Ethereum consensus client originally from Prysmatic Labs (now Offchain Labs). One of the larger consensus clients historically competing for similar institutional staker share as Nimbus.
• Teku: ConsenSys-maintained Ethereum consensus client written in Java. Competes in the institutional staker segment where Nimbus is also gaining share.
• Besu: Hyperledger-hosted Ethereum execution client written in Java. Competes in the same client-diversity narrative that justifies Nimbus's existence and EF funding.
• Erigon: Efficiency-focused Ethereum execution client originally a Geth fork. Competes with Nimbus's 'resource efficiency' positioning for stakers and node operators with constrained infrastructure.
• Helios: a16z crypto's Ethereum light client. Directly competes with Nimbus's Portal Client / Verified Web3 Proxy in the trust-minimized Ethereum access category.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/ethnimbus
• GitHubgithub.com/status-im

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Nimbus