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