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

# Overview

Stacks is a blockchain network that enables smart contracts and decentralized applications to use Bitcoin as an underlying layer.

### Stacks Tables

Our Stacks data includes the following schemas and tables:

| Schema | Description          | Tables                                                                                                                                                                                                                                                                       |
| ------ | -------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Raw    | Raw blockchain data. | [blocks](/historical-data/supported-blockchains/bitcoin-ecosystem/stacks/raw/blocks), [events](/historical-data/supported-blockchains/bitcoin-ecosystem/stacks/raw/events), [transactions](/historical-data/supported-blockchains/bitcoin-ecosystem/stacks/raw/transactions) |