isfinalblock "blockhash"
Check if a block has been finalized by avalanche votes.
Arguments:
1. blockhash (string, required) The hash of the block.
Result:
true|false (boolean) Whether the block has been finalized by avalanche votes.
Examples:
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "isfinalblock", "params": [<block hash>]}' -H 'content-type: text/plain;' http://127.0.0.1:8332/
> bitcoin-cli isfinalblock <block hash>