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

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發送短信 : MetaShard: a novel sharding blockchain platform for metaverse applications