eth_getUncleCountByBlockHash

The eth_getUncleCountByBlockHash method returns the number of uncles (ommer blocks) in a block specified by the block hash. Uncle blocks are valid blocks that weren't included in the main chain but are still referenced and partially rewarded in Ethereum.

Use Cases

• Block explorer statistics
• Mining pool analytics
• Network health monitoring
• Block validation verification
• Consensus algorithm research
• Uncle rate analysis
• Historical block data collection
• Mining reward calculations

Method Details

This method returns a count of uncle blocks for a specific block identified by its hash.

Response Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x1" // 1 uncle in this block
}

See also

• eth_getUncleByBlockHashAndIndex
• eth_getUncleByBlockNumberAndIndex
• eth_getUncleCountByBlockNumber
• Uncle Blocks Guide