### How to get balance for address If using client that running on a local host (127.0.0.1:8545): ``` $ emerald balance 0x0e7c045110b8dbf29765047380898919c5cb56f4 ``` or connecting to some specific host & port: ``` $ emerald balance 0x0e7c045110b8dbf29765047380898919c5cb56f4 --upstream=8.8.8.8:8545 ```