pruneblockchain (0.21.0.0 RPC) pruneblockchain height Arguments: 1. height (numeric, required) The block height to prune up to. May be set to a discrete height, or to a UNIX epoch time to prune blocks whose block time is at least 2 hours older than the provided timestamp. Result: n (numeric) Height of the last block pruned Examples: > elements-cli pruneblockchain 1000 > curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "pruneblockchain", "params": [1000]}' -H 'content-type: text/plain;' http://127.0.0.1:7041/