getbestblockhash

blockchain

v0.14.1

getbestblockhash

Returns the hash of the best (tip) block in the longest blockchain.

Result:
"hex" (string) the block hash hex encoded

Examples:
> bitcoin-cli getbestblockhash
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "getbestblockhash", "params": [] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/
Don't trust. Verify. Docs extracted from src/rpc/blockchain.cpp#L165-L176.