Sommelier node is the sommelier daemon, a program that lets you run a node on the Sommelier network, a blockchain within the Cosmos ecosystem. It is aimed at validator operators, developers who build on Cosmos SDK chains, and Windows users who prefer a ready-made build over compiling code themselves. The program is free and open source, and its source code is published on GitHub.
Sommelier itself is a platform for running DeFi strategies inside special vaults called Cellars, which are managed through off-chain computation. The chain is built with the Cosmos SDK and uses its own fork of Gravity Bridge to allow cross-chain execution. The latest release is v10.0.2, and the code was last updated on August 23, 2026, so the project is actively maintained. The node is the software that keeps your machine part of that network.
How Off-Chain Computation Powers Cellars
Most blockchains execute every instruction on-chain, which keeps the record transparent but makes heavy calculations slow and expensive. Off-chain computation moves the demanding work outside the chain and records the inputs and results on-chain so they can be checked.
In Sommelier's design, this approach supports vaults called Cellars that run DeFi strategies. A strategy might decide how deposited assets are allocated across different markets. The logic runs off-chain, and the chain keeps the record of what was decided.
For a node operator, this matters because the node is what observes and processes the network's state. Knowing where computation happens helps you understand what your machine is doing while it stays in sync with the chain.
Who Should Run a Sommelier Node
Validator operators are the most obvious audience. A validator takes part in securing the network, and running one on the Sommelier mainnet involves several cooperating processes, including the node itself and the Gravity Bridge Orchestrator. Operators in this role need to keep the machine online and synced, and they need to manage their keys with discipline.
Developers form the second group. If you build applications on Cosmos SDK chains, a local node gives you a controlled environment for testing queries, transactions and bridge behavior without depending entirely on a public endpoint.
Researchers and curious users also run nodes to study how a Cosmos chain behaves over time. Watching sync progress and block processing on a Windows machine is a practical way to learn the stack before taking on validator duties.
Key Concepts: Cosmos SDK, Forks and Cross-Chain Execution
The Cosmos SDK is a framework for building application-specific blockchains. Sommelier is built with it, so the chain's core modules follow patterns used by other Cosmos chains. Familiarity with that framework makes the node's behavior easier to predict.
A fork, in this context, is a copy of an existing codebase that the team has modified. Sommelier uses its own fork of Gravity Bridge, adapted to the chain's needs. Reviewing the source code is the best way to see how those changes differ from upstream projects.
Cross-chain execution means an action started on one chain can trigger logic on another. The Gravity Bridge Orchestrator handles much of that coordination, which is why it appears as a separate feature of the node.
Key features
Validator node support
Gravity Bridge Orchestrator
Supported coins
The project documentation mentions Ethereum (ETH), Cosmos (ATOM) and Nano. Because Sommelier is a Cosmos SDK chain with a Gravity Bridge fork, its cross-chain functions are the main reason these networks come up. Check the documentation for the exact bridging paths that apply to your setup.
How to install Sommelier node on Windows
- 1
Get the release from GitHub
Open the official Sommelier repository at github.com/PeggyJV/sommelier and go to the Releases page. Find the latest version, v10.0.2, and download the Windows build or installer. Download only from the official website or the GitHub Releases page, not from mirrors or forums.
- 2
Verify the file
Compare the SHA-256 checksum of the downloaded file with the value published alongside the release. If a signature is provided, verify it as well. Do not run the file if the values do not match.
- 3
Run the Windows installer or build
Create a dedicated folder for the node, then run the installer or extract the Windows build into that folder. Follow the prompts and keep the default locations unless you have a reason to change them. Keep the folder path simple so later commands are easier to type.
-
Start the node and let it sync
Launch the sommelier daemon from a terminal opened in the install folder. Once the node is running, it begins syncing from genesis, which can take a long time. Leave it running and check progress regularly before configuring any validator keys.
How to use Sommelier node
Using the Sommelier node is mostly a matter of running the daemon, keeping it synced and configuring it for your role. The steps below assume the program is already installed.
- Open a terminal in the install folder and start the sommelier daemon.
- Let the node sync from genesis and keep the process running in the background.
- Check the node's status with its command-line tools to confirm that it is catching up with the chain.
- If you plan to run a validator, read the documentation on delegate keys before creating or importing any keys.
- Configure the Gravity Bridge Orchestrator according to the project documentation if you need its cross-chain features.
- Stop the node cleanly before updating the software, then start it again on the new version.
Pros & cons
- Free and open source, with source code available on GitHub
- Includes both a validator node and the Gravity Bridge Orchestrator
- Built with the Cosmos SDK, a widely used framework for blockchains
- Recently updated, with the latest release v10.0.2
- Has a Windows build or installer, so compiling is not required
- Running a validator involves several processes and careful key configuration
- Setup is command-line oriented and not a point-and-click application
- Syncing from genesis takes time before the node is useful
- Cross-chain features add complexity for users who only want a basic node
Is Sommelier node safe?
Sommelier node handles network participation and, for validators, signing keys, so treat it with the same care as any software that touches money. Download the program only from the official GitHub repository or its Releases page, never from third-party sites that repackage it. Verify the SHA-256 checksum or signature before running the file, and keep your system's security tools active.
Never enter a seed phrase or validator key on a third-party website, in a chat message or in response to someone who contacts you claiming to be support. Store keys offline in a secure place and keep backups separate from the machine running the node. A compromised validator key can lead to direct losses, so limit who has access to the server and log activity regularly.
- Official source only. Download from github.com/PeggyJV/sommelier. Ignore ads and lookalike domains.
- Check the SHA-256. Compare the installer hash with the value the developer publishes before running it.
- Never share your seed phrase. No developer, support agent or website — including CryptApps — will ever ask for it.
Alternatives
Sommelier node is built for a Cosmos SDK chain with cross-chain execution through Gravity Bridge, along with the Cellars strategy framework. Evmos is another Cosmos-based node that also serves a chain with its own application logic, so the two are the closest relatives. Celestia App covers consensus for a different type of Cosmos-style network focused on data availability.
Geth, Erigon and Nethermind are Ethereum execution clients. They suit users who want to run an Ethereum node rather than a Cosmos chain, and they have different hardware and sync profiles. OpenEthereum, the former Parity client, is closed, so it is not a practical option for new setups. If your goal is validator work on Sommelier, a Cosmos-focused node is the more relevant choice.
Specifications
- Price
- Free
- Type
- Open source
- License
- —
- Latest version
- v10.0.2
- Last update
- 23 Aug 2026
- Windows support
- Yes (Windows build or installer)
- Source code
- github.com/PeggyJV/sommelier
Frequently asked questions
Yes. Sommelier node is free and open source, and its source code is published on GitHub at github.com/PeggyJV/sommelier. You do not pay a license fee to use it, although running a validator or a server may come with costs of your own.
Yes. The project provides a Windows build or installer, so you can run the node without compiling from source. Download the release from the GitHub Releases page and verify the file before launching it.
It can be, as long as you get it from the official repository and check the file. Confirm the SHA-256 checksum or signature, and never share seed phrases or validator keys with anyone online. The safety section explains the steps in more detail.
A validator node is a node that takes part in securing a blockchain by proposing and confirming blocks. In Cosmos-based networks, validators stake tokens and sign messages on behalf of the network, which means they need steady uptime and careful key management.
The project documentation mentions Ethereum (ETH), Cosmos (ATOM) and Nano. Sommelier is a Cosmos SDK chain that uses a Gravity Bridge fork, so cross-chain functionality is central to how it connects with other networks.
It is more suitable for users who are comfortable with the command line and blockchain concepts. Beginners should first run a non-validator node, read the documentation carefully and practice on a test setup before handling validator keys.
Verdict
Sommelier node suits validator operators and developers who want to run a Cosmos SDK chain on Windows. It is free, open source and recently updated, with the latest release v10.0.2. Expect a command-line setup, a long initial sync and real responsibility for keys if you run a validator. Check the latest version on the official website before installing, and approach validator work carefully.