Blockchain Node Clients & Infrastructure

High-performance blockchain node clients and institutional-grade node infrastructure for Ethereum and Starknet networks, delivering exceptional performance, reliability, and customizability for node operators, validators, enterprises, and infrastructure providers worldwide.

Nethermind Ethereum Client

The Nethermind Client is one of the core Ethereum execution layer clients, known for its exceptional performance and enterprise-grade capabilities. Built in C# and .NET, it delivers fast sync capabilities, low resource consumption, high transaction throughput, and efficient state management. The client offers extensive customization options through its plugin architecture, comprehensive APIs for seamless integration, and support for various deployment configurations from home validators to institutional infrastructure. Enterprise-grade monitoring and metrics ensure robust operation at scale.

Juno Starknet Client

Juno is a full node implementation for Starknet written in Go, designed for performance and efficiency. It supports full node operation, RPC API access, transaction execution and verification, and state management. By providing an alternative client implementation to the reference client, Juno enhances Starknet's decentralization and reduces single-client risk. The client is optimized for fast sync, low resource consumption, high throughput, and efficient state storage, making it ideal for Starknet developers, infrastructure providers, and validators.

Institutional Blockchain-as-a-Service

For institutions and enterprises requiring managed node infrastructure, Nethermind provides end-to-end blockchain infrastructure services designed with institutional requirements in mind. Services include regulatory compliance support, enterprise-grade security, scalability solutions, privacy controls, and integration with existing systems. Technical consulting, custom blockchain development, security hardening, regulatory guidance, and operational support ensure successful blockchain deployments.

Protocol Contributions

Both clients maintain full compatibility with their respective protocol specifications and are at the forefront of implementing new protocol improvements. The Nethermind Client actively contributes to major Ethereum improvements including EOF, Verkle Trees, and other roadmap features. All core node client work is open source, contributing to the public good and enabling the broader blockchain community to benefit from Nethermind's technical innovations.

Why Choose Nethermind

With an Ethereum Foundation grant received in 2018 and years of proven experience as core contributors to both Ethereum and Starknet ecosystems, Nethermind combines academic rigor with production-ready engineering. The team of 200+ professionals across 66+ countries, with 40% holding Ph.D.s, delivers institutional-grade reliability trusted by leading protocols including Lido, Deutsche Bank, and major Starknet infrastructure providers.