Documentation exported from Bitcoin Core 0.20.0

verifychain (0.20.0 RPC)

blockchain

control

generating

mining

network

rawtransactions

util

wallet

zmq

verifychain ( checklevel nblocks )

Verifies blockchain database.

Arguments:
1. checklevel    (numeric, optional, default=3, range=0-4) How thorough the block verification is.
2. nblocks       (numeric, optional, default=6, 0=all) The number of blocks to check.

Result:
true|false    (boolean) Verified or not

Examples:
> bitcoin-cli verifychain 
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "verifychain", "params": []}' -H 'content-type: text/plain;' http://127.0.0.1:8332/