發送短信

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  _____    _    _    _    _    _    _     _  __  
 / ____|| | || | || | || | || | || | ||  | |/ // 
/ //---`' | || | || | || | || | || | ||  | ' //  
\ \\___   | \\_/ || | \\_/ || | \\_/ ||  | . \\  
 \_____||  \____//   \____//   \____//   |_|\_\\ 
  `----`    `---`     `---`     `---`    `-` --`

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發送短信 : A blockchain based federated learning for message dissemination in vehicular networks