Ethereum series wallet address

The Ethereum wallet address is a unique identifier used to store and send Ethereum and tokens based on the Ethereum network. It consists of 40 hexadecimal characters and starts with "0x". It is divided into three parts: verification and address prefix, checksum and hash, and has two types: externally owned addresses (controlled by private keys) and contract addresses (created by smart contracts). Methods for generating an Ethereum wallet address include using wallet software, command line tools, and websites. The wallet address is permanent and public. It is necessary to protect the private key and avoid reusing the address to improve security.

#What is an Ethereum wallet address?

An Ethereum wallet address is a unique identifier used to store and send Ethereum (ETH) and its tokens based on the Ethereum network. It is a string of 40 hexadecimal characters, starting with "0x".

Structure of wallet address

Ethereum wallet address can be divided into the following parts:

• Verification and address prefix (1 Bytes): is fixed to "0x".
• Checksum (4 bytes): Prevents human error and malicious behavior.
• Hash (32 bytes): Keccak-256 hash from the public key.

Types of Wallet Addresses

There are two types of Ethereum wallet addresses:

• Externally Owned Addresses (EOA): An address controlled by a private key. This is the most common wallet address type.
• Contract address: The address created by the smart contract. They cannot be controlled by private keys.

Generate Ethereum wallet address

There are many ways to generate an Ethereum wallet address, including:

• Use wallet software: MetaMask, Trust Wallet, etc.
• Use command line tools: such as geth, Parity.
• Use a website: Such as MyEtherWallet.

Notes

• Ethereum wallet addresses are permanent: Once created, they cannot be changed.
• Ethereum wallet addresses are public: Anyone can view them.
• Protect the private key: For EOA, the private key must be kept secret, otherwise funds may be lost.
• Avoid reusing addresses: A new address should be used for each transaction to increase security.

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