Trying to mine via the instruction at
btgmine.org

I get this error:
+-------------------------------------------------+
|         EWBF's Zcash CUDA miner. 0.3.4b         |
+-------------------------------------------------+
INFO: Used config file: miner.cfg
INFO: Current pool: us1.btgmine.org:3032
INFO: Selected pools: 1
INFO: Solver: Auto.
INFO: Devices: All.
INFO: Temperature limit: 90
INFO: Api: Listen on 127.0.0.1:42000
---------------------------------------------------
ERROR: Stratum subscribe timeout

I assume that is because mining is still not active, right?

Also, is there now a "Core" full node software to use, or still only Android/iOS wallets?

Thanks!