invalidateblock "blockhash"
Permanently marks a block as invalid, as if it violated a consensus rule.
Arguments
1. blockhash (string, required) the hash of the block to mark as invalid
Result
null (json null)
Examples
> bitcoin-cli invalidateblock "blockhash"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "invalidateblock", "params": ["blockhash"]}' -H 'content-type: text/plain;' http://127.0.0.1:8332/