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# Local Node
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An Ethereum node provides different functionalities :
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1. To be connected to other nodes and exchange blocks and transactions
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2. To verify each transaction by running the Ethereum Virtual Machine
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3. To provide an API to interact with the node
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4. To provide a basic wallet to sign transactions and collect fees when mining
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For now you will simply learn to launch a local node.
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### Instructions
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Launch a local test node. You can use any client (geth, openEthereum...), but I recommend javascript test nodes `hardhat` and `ganache-cli`.
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**hardhat node**
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```shell
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npm i hardhat
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npx hardhat node
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```
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**ganache**
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```shell
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npm i ganache-cli
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npx ganache-cli
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```
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*You can also use ganache ("non cli") that provides a nice graphical interface. For compatibility, change the listening port to 8545 in the settings*
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Noticeably, local javascript nodes are not connected to any network and provide already 10 account populated with test ether.
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This quest self validate with an empty "local-node.js" file
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### Notions
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- [hardhat](https://hardhat.org)
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- [ganache](https://www.trufflesuite.com/ganache)
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