I make cofig file with : rpcuser=user
rpcpassword=pass
rpcport=5332
daemon=1
listen=1
server=1
rpcallowip=127.0.0.1
the open the wallet-qt
make .bat file with command for cpuminer-opt : cpuminer-avx2-sha -a sha3d -o
http://127.0.0.1:5332 -u user -p pass -t4 --no-longpoll --coinbase-addr=wallet address --param-key "YCN"
but have this : ......bad-txnmrklroot