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In a nutshell The chapter covers digital communication foundations, InternetInternet architecture, and protocols. It examines mobile InternetMobile internet evolution, including 5G. RFIDRadio-frequency identification (RFID) and QR codesQR codes’ role in connecting physical and digital worlds is highlighted. Cloud computingCloud computing concepts are explained. The chapter concludes with ePaymentsePayments, blockchainBlockchains, and cryptographyCryptography, focusing on secure digital transactionsTransactions.

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Digital Infrastructure

  • 章节

  • 发表日期：

    2025年

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  • Swen Schneider,
  • Lutz Anderie

摘要

In a nutshell The chapter covers digital communication foundations, InternetInternet architecture, and protocols. It examines mobile InternetMobile internet evolution, including 5G. RFIDRadio-frequency identification (RFID) and QR codesQR codes’ role in connecting physical and digital worlds is highlighted. Cloud computingCloud computing concepts are explained. The chapter concludes with ePaymentsePayments, blockchainBlockchains, and cryptographyCryptography, focusing on secure digital transactionsTransactions.