How using Web3 in geth client to conect to the private blockchain when i use

var web3 = new Web3(new Web3.providers.HttpProvider(" http://alexyy73n.northeurope.cloudapp.azure.com:8545"));

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So how can i connect to the chain and interact with contracts? With metamask all works fine. But need to do client part. And connect it with azure blockchain.

1 Answer 1


Are you trying to connect with code or with a Geth node?

If you just want to connect use:

$ geth attach http://[ipaddress]:8545

If you want to add a node to the Azure based blockchain you will have to use the same Genesis JSON file which can be found here:

This is the default Genesis block used by Azure to provision the Ethereum blockchain.

  • I have a scenario where I wanted to connect from code. So how would I do it?
    – Adheep
    Jul 10, 2017 at 14:25
  • How did you solve this ?
    – NaN
    Feb 22, 2018 at 4:37

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