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The very first step to get started working with Nethereum is to add a package reference to Nethereum.Web3.

#r "Nethereum.Web3"

Getting started using Infura with Nethereum

Documentation about Nethereum can be found at: https://nethereum.readthedocs.io

This simple sample will take you through the steps of connecting to Infura and retrieve the balance of an account from the mainnet (live Ethereum). Infura provides a set of public nodes removing the need to have a local or maintained client fully synchronised with the main Ethereum network.

First, we need to add our required namespaces for Nethereum:

using Nethereum.Web3;

The next step is to create an instance of Web3, with the infura url for mainnet.

var web3 = new Web3("https://mainnet.infura.io");

Using the Eth API we can execute the GetBalance request asynchronously, for our selected account. In this scenario I have chosen the Ethereum Foundation account. “0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae”

var balance = await web3.Eth.GetBalance.SendRequestAsync("0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae");

The amount returned is in Wei, the lowest unit of value. We can convert this to Ether using the Convertion utility:

var etherAmount = Web3.Convert.FromWei(balance.Value);