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

# Blocks info | Avalanche

> Avalanche block information JSON-RPC methods — query block details including transactions, timestamps, height, headers, and uncle counts on C-Chain.

Retrieving block information from the Avalanche blockchain can be done by using the following methods:

<CardGroup>
  <Card title="eth_blockNumber" href="/reference/avalanche-getblocknumber" icon="angle-right" horizontal />

  <Card title="eth_getBlockByHash" href="/reference/avalanche-getblockbyhash" icon="angle-right" horizontal />

  <Card title="eth_getBlockByNumber" href="/reference/avalanche-getblockbynumber" icon="angle-right" horizontal />

  <Card title="eth_getBlockTransactionCountByHash" href="/reference/avalanche-getblocktransactioncountbyhash" icon="angle-right" horizontal />

  <Card title="eth_getBlockTransactionCountByNumber" href="/reference/avalanche-getblocktransactioncountbynumber" icon="angle-right" horizontal />

  <Card title="eth_newBlockFilter" href="/reference/avalanche-newblockfilter" icon="angle-right" horizontal />
</CardGroup>

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This information can be used to track the state of the blockchain and for:

* **Blockchain analysis** — insights into the overall activity on the network, such as the number of processed transactions and average transaction fees, can be obtained.
* **Block explores** — web-based tools that provide access to information on a blockchain, including block data, transactions, and addresses, allowing users to search, view, and analyze the network's activity.
* **Smart contract analysis** — the activity of specific smart contracts
* **DApp development** — block information can be utilized in the development of decentralized applications.