What Zondax does

Zondax AG is a Swiss blockchain engineering firm headquartered in Zug, Switzerland, founded in 2017 and operating with 11-50 employees. The company provides back-end engineering services, protocol development, and tooling for blockchain ecosystems, with a particular specialization in hardware wallet applications (over 50 apps built for Ledger and Trezor), Trusted Execution Environment (TEE) remote signers for networks such as Kusama and Polkadot, chain upgrade coordination, and protocol engineering. Its core technology stack spans nine or more programming languages including Rust, Go, C++, TypeScript, Python, and AssemblyScript, enabling the firm to embed into heterogeneous blockchain codebases at the systems level.

Beyond professional services, Zondax operates an on-premises GDPR-compliant data center in Switzerland that runs full archival nodes for several blockchains, and has productized a portfolio of reusable developer and end-user tools: Zemu (a Ledger app testing framework used by Ledger's own team), Beryx (a Filecoin-focused blockchain explorer and data platform), Kunobi (a Kubernetes and GitOps management desktop platform), Hub (a Ledger asset app installer), the Polkadot Ledger Migration Assistant (covering 17 networks), and Ping (a notification hub). These tools sit alongside standalone products Lexicor (an AI-assisted naming tool) and Vault k8s (a decentralized secret management proof of concept for ICP).

Zondax generates revenue through a mix of professional services (engineering and advisory engagements with protocol foundations), managed infrastructure services (on-demand blockchain node hosting and indexing), subscription-based data services (indexing and data management), and licensing/embedded solutions (hardware wallet applications and reusable tooling). Its customer base spans more than 50 blockchain projects, with anchor relationships including Ledger, Trezor, Polkadot, Filecoin, ICP, Zcash, Avalanche, Cosmos, and Kusama. The company also holds strategic investments in Adamik, Beryx, and Aleph Crecimiento, suggesting a portfolio approach to ecosystem positioning alongside its core engineering business.

Name

Zondax

Legal name

Zondax AG

Website

https://zondax.ch

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

11–50 employees

Short description

Zondax AG is a Swiss blockchain engineering firm that builds hardware wallet applications, protocol integrations, and developer tooling for over 50 blockchain projects including Ledger, Polkadot, Filecoin, ICP, and Cosmos, generating revenue from professional services, infrastructure, and productized tools.

Ownership category

akta.pro rank

Product category

Blockchain Engineering Services

NAICS

Computer Systems Design Services (541512), Other Computer Related Services (541519)

SIC

Services-Computer Integrated Systems Design (7373), Services-Computer Programming Services (7371)

akta.pro primary industry

Interoperability & Integration Middleware (ERP/core banking connectors, messaging, APIs, cross-chain to permissioned) (FSAPAIAL)

akta.pro secondary industries

Interoperability & Cross-Chain Infrastructure (Bridges, Messaging, Atomic Swaps) (FSAGAMAI), Digital Asset Risk, Security & Audit Tooling (Smart Contract Audit, Threat Monitoring) (FSAGAMAJ), Cross-Chain Security & Verification (light clients, zk/optimistic proofs, validation networks) (FSAPAKAF)

Keywords

• Blockchain engineering services
• Hardware wallet applications
• Protocol development
• Remote signer solutions
• Blockchain infrastructure

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, Infrastructure, Operations, Marketing or Sales

Revenue model

1. Blockchain Engineering Services: Advisory and technical problem-solving services for blockchain projects, helping clients focus on product-market fit challenges. Includes protocol engineering, blockchain integrations, and chain upgrade coordination.
2. Infrastructure Services: On-demand infrastructure solutions with an on-premises data center in Switzerland that is fast, secure, and GDPR-compliant. Runs full archival nodes for several blockchains.
3. Indexing and Data Management: Indexing and data management services enabling efficient organization, retrieval, and analysis of large blockchain datasets.
4. Product Licensing/Embedded Solutions: Hardware wallet app development (50+ apps built) and technology that can be embedded or licensed to partners like Ledger and Trezor.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Zondax is a Swiss blockchain engineering company that provides back-end solutions and tooling for blockchain ecosystems. Its core offering combines professional engineering services (hardware wallet application development, TEE-based remote signers, protocol engineering, chain upgrade coordination, and blockchain integrations) with proprietary software products (Zemu testing framework, Beryx Filecoin explorer, Kunobi Kubernetes platform, Zondax Hub for Ledger, and the Polkadot Ledger Migration Assistant) and a Swiss-based, GDPR-compliant on-premises infrastructure for blockchain nodes and data.

Product overview

Zondax is a Swiss blockchain engineering company specializing in secure infrastructure, developer tooling, and data solutions. Their offering is a portfolio of interconnected products and services: core services include Hardware Wallet Development (50+ apps for Ledger/Trezor), Remote Signers/TEE, Protocol Engineering, Chain Upgrade Coordination, Infrastructure on Demand (GDPR-compliant Swiss data center), and Indexers/Data Management. Developer tools include Zemu (Ledger testing framework), the Polkadot Ledger Migration Assistant, and Vault k8s (ICP secret management). Data products include Beryx (Filecoin explorer and analytics) and Hub (Ledger app installer). Notification tools include Ping. Investment projects include Beryx, Adamik, and Aleph Crecimiento. The company collaborates with 50+ blockchain projects including Zcash, Avalanche, Polkadot, Filecoin, Cosmos, Tezos, Algorand, and many others.

Differentiator

Problem solved

Functional benefit

Brands

• Beryx: Platform specializing in real-time and historical data processing for the Filecoin ecosystem, offering blockchain explorer and data insights.
• Hub
• Kunobi
• Zemu
• Ping

Products and services

• Kunobi Desktop platform for managing Kubernetes and GitOps that connects directly to clusters through the Kubernetes API, providing real-time visibility into deployments, drift detection, Helm histories, and sync status. Built for engineers who need a safer, more understandable view of complex clusters.
• Beryx Platform specializing in real-time and historical blockchain data processing for the Filecoin ecosystem, offering a comprehensive blockchain explorer and data insights for developers, network users, and blockchain enthusiasts.
• Zondax Hub Web platform that allows users to install asset apps onto their Ledger devices, including both released and unreleased versions developed by the Zondax team.
• Ping Notification hub app designed to keep users updated with real-time notifications.
• Polkadot Ledger Migration Assistant Complete solution for migrating from legacy Ledger accounts to the new Polkadot generic app. Supports 17 networks through one unified interface so users can safely transition their entire portfolio.
• Hardware Wallet Application Development Secure hardware wallet applications for protecting digital assets, including 50+ apps built for Ledger and Trezor devices.
• Remote Signers / TEE Secure remote signer solutions using Trusted Execution Environments (TEE) to protect digital transactions, including a deployed implementation for the Kusama/Polkadot networks.
• Vault k8s Proof of concept for decentralized secret management using Internet Computer (IC) technology, enabling secure, transparent, and flexible secret sharing between consumers in Kubernetes clusters with automated rotation.
• ICRC-3 to EVM Proxy Adapter that translates ICRC-3 logs into EVM-compatible RPC, standardizing ICRC-3 for decentralized exchanges on the Internet Computer to improve ICP DEX interoperability.
• Push-based Metrics Delivery for ICP Nodes Modification of ICP node code to push metrics to external services with robust authentication, eliminating the need for firewall adjustments and enhancing security.

Named customers9 records

Segments2 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature6 records

Partnerships

Six partnerships are on record, tiered core and minor.

• LedgercoreTechnology or IntegrationZondax has developed over 50 hardware wallet applications for Ledger devices, making them a key development partner. Zondax Hub platform enables installation of both released and unreleased Ledger apps. The Zemu testing framework developed by Zondax is used by Ledger team for Ethereum app testing.
• FilecoincoreTechnology or IntegrationZondax developed the Beryx platform for Filecoin, providing real-time and historical blockchain data processing, blockchain explorer functionality, and developer data insights for the Filecoin ecosystem.
• PolkadotcoreTechnology or IntegrationZondax provides multiple services for Polkadot including the Ledger Migration Assistant, TEE Signer implementation, and various protocol integrations. Also supports Kusama (Polkadot's canary network).
• Internet Computer (ICP)coreTechnology or IntegrationZondax has developed multiple ICP-related projects including vault k8s (decentralized secret management), ICRC-3 to EVM proxy for DEX interoperability, and push-based metrics delivery for ICP nodes.
• AdamikminorStrategic or Co-development PartnerAdamik is listed as an investment, transforming blockchain integration by enabling developers to build multichain products connecting to over 20 ecosystems through a single API.
• Aleph CrecimientominorStrategic or Co-development PartnerListed as an investment/partnership. Aleph is convening the world's brightest minds in Buenos Aires to pioneer the first crypto nation.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Direct peers

• ChainSafe Systems: ChainSafe is a blockchain engineering firm offering protocol development, SDK work, and infrastructure across multiple ecosystems (Ethereum, Polkadot, Filecoin, Cosmos). It is the closest direct peer to Zondax given the same multi-chain professional services + product mix (e.g., ChainSafe's Forest Filecoin implementation and Gossamer Polkadot host).
• Cosmostation: Cosmostation is a validator and infrastructure provider serving Cosmos, Polkadot, and other ecosystems. Comparable to Zondax's infrastructure and protocol engineering work for Cosmos and Polkadot ecosystems, with similar multi-chain focus.

Broad incumbents

• Figment: Figment is a major blockchain infrastructure provider running validators and node services across dozens of networks including Polkadot, Cosmos, and Filecoin. Comparable to Zondax's infrastructure and protocol engineering services, but at significantly larger scale with a focus on staking rather than hardware wallets.
• Blockdaemon: Blockdaemon provides node infrastructure, staking, and API services across 60+ blockchain networks. Overlaps with Zondax's infrastructure and indexing services but operates at much greater scale and as a broader institutional incumbent in the same vertical.
• Ankr: Ankr provides RPC endpoints, node infrastructure, and staking services across many chains. Comparable to Zondax's infrastructure and indexing offerings, though Ankr targets a more developer/API-focused go-to-market rather than protocol engineering.

Emerging players

• Web3Auth (formerly Torus): Web3Auth builds wallet infrastructure and key management for dApps, with overlaps to Zondax's hardware wallet and TEE-based signing expertise. Both target secure digital asset custody, though Web3Auth focuses more on software-based key management and MPC.
• Pocket Network: Pocket Network provides decentralized RPC infrastructure for blockchain applications, with coverage of dozens of chains. Overlaps with Zondax's data/indexing and infrastructure services, but as a protocol-token-based alternative.
• Bware Labs: Bware Labs provides decentralized API and node infrastructure for Web3, with staking and protocol services. Overlaps with Zondax's infrastructure services but is more focused on RPC endpoints.

Others

• Ledger: Ledger is both a major Zondax customer and partner. As the leading hardware wallet vendor, Ledger defines the platform Zondax builds apps for, and the Zemu testing framework is used internally by Ledger's own engineers.
• Trezor: Trezor is a hardware wallet vendor and Zondax customer/partner. Comparable in the sense that Zondax builds apps targeting Trezor devices, though Trezor does not compete with Zondax's services offerings.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Customer concentration

• Xx.com/_zondax_
• GitHubgithub.com/Zondax
• LinkedInlinkedin.com/company/zondax

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

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 Zondax