langchain_md_files/integrations/providers/alchemy.mdx

# Alchemy

>[Alchemy](https://www.alchemy.com) is the platform to build blockchain applications.

## Installation and Setup

Check out the [installation guide](/docs/integrations/document_loaders/blockchain).

## Document loader

### BlockchainLoader on the Alchemy platform

See a [usage example](/docs/integrations/document_loaders/blockchain).

```python
from langchain_community.document_loaders.blockchain import (
    BlockchainDocumentLoader,
    BlockchainType,
)
```