> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dune.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Datashare Overview

> Access all of Dune's blockchain data directly in your data warehouse for privacy and control.

Datashare brings our complete blockchain dataset (1.5M+ tables, 100+ chains) directly into your data warehouse. Query blockchain data in your own environment with complete privacy and control.

## How Datashare Works

Datashare replicates Dune's processed blockchain data directly into your cloud data warehouse:

<img src="https://mintcdn.com/dune/7jTylmCpqk1GQLzb/datashare/images/datashare-architecture.png?fit=max&auto=format&n=7jTylmCpqk1GQLzb&q=85&s=f9fbaf6e007c2a4b472a36d007ae742a" alt="Datashare Architecture" width="1049" height="594" data-path="datashare/images/datashare-architecture.png" />

1. **Data Replication**: We maintain live copies of all Dune tables in your Snowflake or BigQuery environment
2. **Native Integration**: Data appears as regular tables/datasets in your warehouse - no APIs or external connections
3. **Fresh Data**: Automatic updates keep your data in sync with Dune's platform (hourly/daily refresh)
4. **Your Environment**: Query using your warehouse's native SQL, compute, and security controls

<Info>
  This is the same curated, decoded blockchain data that powers dune.com - optimized for analytics with proper data types and indexing.
</Info>

## Platforms

| **Platform**                                         | **Access Method**                                     | **Trial Available** |
| ---------------------------------------------------- | ----------------------------------------------------- | ------------------- |
| ❄️ **[Snowflake](/datashare/datashare-snowflake)**   | Marketplace or Direct Share                           | 30-day free trial   |
| 🔍 **[BigQuery](/datashare/datashare-bigquery)**     | Dataset Sharing                                       | Contact for trial   |
| 🧱 **[Databricks](/datashare/datashare-databricks)** | Cross-Region Replication                              | Contact for trial   |
| 🪣 **[S3 Export](/datashare/datashare-s3)**          | Iceberg tables in a Dune-managed S3 bucket (dbt only) | Contact for setup   |

## Why Choose Datashare

* **Complete Privacy**: Query in your warehouse - Dune never sees your queries or results
* **Join Your Data**: Seamlessly combine blockchain data with your internal datasets
* **Cost Control**: Use your existing warehouse compute and manage costs directly
* **No Rate Limits**: Query as much as you need without API constraints
* **Enterprise Security**: Leverage your warehouse's existing security and compliance controls
* **dbt Integration**: Publish dbt-managed transformation outputs from Dune directly into your warehouse with [dbt to Datashare](/api-reference/connectors/dbt/datashares)

## Working with Dune

### Getting Started

**For Trials:**

* **Snowflake**: Self-service via [Snowflake Marketplace](https://app.snowflake.com/marketplace/providers/GZSVZMYSCO/Dune)
* **BigQuery**: Email [datashares-sales@dune.com](mailto:datashares-sales@dune.com) with your requirements

**For Production:** Contact our enterprise team at [dune.com/enterprise](https://dune.com/enterprise) or [datashares-sales@dune.com](mailto:datashares-sales@dune.com)

### What We Need From You

To set up datashare access, we need specific identifiers from your cloud environment:

<AccordionGroup>
  <Accordion title="Snowflake Requirements">
    Please provide your Snowflake data sharing account identifier so I can grant you access to a listing. To find this identifier log in to your Snowflake account and click at your user profile at the bottom of the screen > *Account* > *View account details* > Copy data sharing account identifier (you can view a visual path [here](https://docs.snowflake.com/en/alias/client/account-identifier-listing)). You can also run the following SQL command:

    ```sql theme={null}
    SELECT CURRENT_ORGANIZATION_NAME() || '.' || CURRENT_ACCOUNT_NAME();
    ```

    Then, share your identifier with me.
  </Accordion>

  <Accordion title="BigQuery Requirements">
    **Required Information:**

    * **GCP Project ID** (not project name - the unique ID)
    * **Principal for access** (user email, service account, or domain)
    * **Preferred region** (US Central 1 or EU West 2)
    * **Chains of interest** (optional - we can share all by default)

    **Principal Examples:**

    * User: `user:alice@company.com`
    * Service Account: `serviceAccount:etl-service@my-project.iam.gserviceaccount.com`
    * Domain: `domain:company.com` (all users in domain)
  </Accordion>

  <Accordion title="S3 Export Requirements">
    S3 Export is available only through [dbt to Datashare](/api-reference/connectors/dbt/datashares). You publish your own dbt-managed tables to a Dune-managed S3 bucket. There is no managed replication of Dune's full dataset to S3.

    **Required Information:**

    * **Preferred AWS region**: where the export bucket is created
    * **Read access principal**: either an IAM role ARN in your AWS account, or your AWS account ID

    Dune provisions the bucket and grants your principal read access; you query the Iceberg tables directly from S3 with your own engine. See the [S3 Export guide](/datashare/datashare-s3) for details.
  </Accordion>
</AccordionGroup>

### Setup Process

1. **Share Identifiers**: Provide the required identifiers for your platform
2. **Access Configuration**: We configure sharing permissions on our side
3. **Verification**: We'll confirm when data is available in your environment
4. **Support**: Ongoing technical support for queries and optimization

<Warning>
  **Security Note**: We only need identifiers to grant access - never passwords, keys, or other sensitive credentials.
</Warning>

## Platform-Specific Access

<CardGroup cols={2}>
  <Card title="Snowflake Guide" icon="snowflake" href="/datashare/datashare-snowflake">
    Marketplace access, data types, and query examples
  </Card>

  <Card title="BigQuery Guide" icon="cloud" href="/datashare/datashare-bigquery">
    Dataset sharing, principals, and optimization tips
  </Card>

  <Card title="S3 Export Guide" icon="aws" href="/datashare/datashare-s3">
    Iceberg tables in a Dune-managed bucket, access, and Requester Pays
  </Card>

  <Card title="dbt to Datashare" icon="share-nodes" href="/api-reference/connectors/dbt/datashares">
    Sync dbt-managed tables from your Dune namespace into your warehouse
  </Card>
</CardGroup>

## Next Steps

1. **[Try a free trial](/datashare/datashare-trial)** - Test our data on your platform
2. **[Review platform guides](/datashare/datashare-snowflake)** - Learn about data types and querying
3. **[Contact enterprise team](https://dune.com/enterprise)** - Discuss production requirements
4. **[Check FAQs](/datashare/datashare-faqs)** - Common questions and troubleshooting

Need a different platform or have questions? [Contact us](https://dune.com/enterprise) or email [support@dune.com](mailto:support@dune.com).