Update default values in README.md

Author: jbern0rd

README.md

@@ -20,10 +20,10 @@ You can configure the iExec Result Proxy with the following properties:
 | `IEXEC_RESULT_PROXY_PORT` | Server HTTP port of the result proxy. | Positive integer | `13200` |
 | `MONGO_HOST` | Mongo server host. Cannot be set with URI. | String | `localhost` |
 | `MONGO_PORT` | Mongo server port. Cannot be set with URI. | Positive integer | `13202` |
-| `IEXEC_CHAIN_ID` | Chain ID of the blockchain network to connect. | `Integer | `17` |
-| `IEXEC_IS_SIDECHAIN` | Define if iExec on-chain protocol is built on top of token (`false`) or native currency (`true`). | Boolean | `false` |
-| `IEXEC_PRIVATE_CHAIN_ADDRESS` | Private URL to connect to the blockchain node. | URL | `http://localhost:8545` |
-| `IEXEC_HUB_ADDRESS` | Proxy contract address to interact with the iExec on-chain protocol. | Ethereum address | `0xBF6B2B07e47326B7c8bfCb4A5460bef9f0Fd2002` |
+| `IEXEC_CHAIN_ID` | Chain ID of the blockchain network to connect. | `Integer | `134` |
+| `IEXEC_IS_SIDECHAIN` | Define whether iExec on-chain protocol is built on top of token (`false`) or native currency (`true`). | Boolean | `true` |
+| `IEXEC_PRIVATE_CHAIN_ADDRESS` | Private URL to connect to the blockchain node. | URL | `https://bellecour.ie.ec` |
+| `IEXEC_HUB_ADDRESS` | Proxy contract address to interact with the iExec on-chain protocol. | Ethereum address | `0x3eca1B216A7DF1C7689aEb259fFB83ADFB894E7f` |
 | `IEXEC_BLOCK_TIME` | Duration between consecutive blocks on the blockchain network. | String | `PT5S` |
 | `IEXEC_GAS_PRICE_MULTIPLIER` | Transactions will be sent with `networkGasPrice * IEXEC_GAS_PRICE_MULTIPLIER`. | Float | `1.0` |
 | `IEXEC_GAS_PRICE_CAP` | In Wei, will be used for transactions if `networkGasPrice * IEXEC_GAS_PRICE_MULTIPLIER > gasPriceCap`. | Integer | `22000000000` |