we will delve into the world of Bitcoin addresses， you will be better equipped to send，比特派钱包， while those starting with '3' are Pay-to-ｓｃｒｉｐｔ Hash (P2SH) addresses. Version The version number follows the prefix and is a single byte. It helps identify the address format and is used to determine the address type. Checksum The checksum is a 4-byte value that is used to verify the address's integrity. It is calculated using a double SHA-256 hashing algorithm. Public Key Hash The public key hash is the final part of the address and is derived from the user's public key. It is what allows the address to be used for receiving Bitcoin. Abbreviations Associated with Bitcoin Addresses Several abbreviations are commonly used when discussing Bitcoin addresses. Here are some of the most important ones: P2PKH Pay-to-Pubkey Hash (P2PKH) is the most common type of Bitcoin address. It is also known as a standard address or legacy address. P2PKH addresses are used for receiving Bitcoin and are compatible with most Bitcoin wallets. P2SH Pay-to-ｓｃｒｉｐｔ Hash (P2SH) is a type of Bitcoin address that allows for more complex transactions. It is also known as a witness address. P2SH addresses are used for transactions that require multiple signatures， their structure， which includes the following components: Prefix The prefix of a Bitcoin address is the first character and indicates the type of address. For example， as a decentralized digital currency， addresses starting with '1' are Pay-to-Pubkey Hash (P2PKH) addresses， such as multisig wallets. SegWit