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In the context of computer science and cryptocurrency, a client refers to software or hardware that accesses a service provided by a server in a client-server network or connects to peers within a peer-to-peer network. In cryptocurrency, clients are crucial for interacting with blockchain networks. They perform functions like syncing block data, confirming transactions, and participating in network consensus.

Cryptocurrency clients have diverse applications. For miners, a client manages mining operations and communicates calculated hashes to the blockchain. Wallet clients enable users to deposit, store, send, receive, and withdraw cryptocurrencies, often featuring user-friendly graphical interfaces for easy management of crypto assets.

Additionally, clients are used in block explorers to access and interpret blockchain data, such as block height, transaction volumes, and individual transaction details, in a format comprehensible to users. These clients ensure seamless interaction between the end-users and the blockchain, facilitating various activities essential for maintaining and utilizing blockchain and cryptocurrency networks.

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