submitblock (0.21.0.0 RPC) submitblock "hexdata" ( "dummy" ) Attempts to submit new block to network. See https://en.bitcoin.it/wiki/BIP_0022 for full specification. Arguments: 1. hexdata (string, required) the hex-encoded block data to submit 2. dummy (string, optional, default=ignored) dummy value, for compatibility with BIP22. This value is ignored. Result: null (json null) Returns JSON Null when valid, a string according to BIP22 otherwise Examples: > elements-cli submitblock "mydata" > curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "submitblock", "params": ["mydata"]}' -H 'content-type: text/plain;' http://127.0.0.1:7041/