What are the high difficulty pool addresses?
| Currency | Stratum server URL | Port |
| XMR | xmr.pool.minergate.com | 45704 |
| XMC | xmc.pool.minergate.com | 45564 |
| ETC | etc.pool.minergate.com | 45781 |
| ETH | eth.pool.minergate.com | 45795 |
| ZEC | zec.pool.minergate.com | 3361 |
| BCN | bcn.pool.minergate.com | 45554 |
| BTG | btg.pool.minergate.com | 3261 |
| XMC+BCN | xmc-bcn.pro.pool.minergate.com | 45585 |