getblockhash (blockchain command)

Bitcoin Core 24.0 RPC

getblockhash height

Returns hash of block in best-block-chain at height provided.

Arguments

1. height    (numeric, required) The height index

Result

"hex"    (string) The block hash

Examples

> bitcoin-cli getblockhash 1000
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "getblockhash", "params": [1000]}' -H 'content-type: text/plain;' http://127.0.0.1:8332/