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A node is a machine which is running an Ethereum client. It synchronises the blockchain with other nodes in the network, so that they all have the same definitive copy. A node is needed to send and receive ether and to executive DApps.
3
votes
Ethereum remix web3 connection problem
Web3 Provider: Remix will connect to a remote node. You will need to
provide the URL address to the selected provider: geth, parity or any
Ethereum client
To provide a URL you need to have a …