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        Signature
      
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        /s/ Matthew Usdin, as Attorney-in-Fact for Matthew J. Smith
      
      
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        Stock symbol
      
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        SDIG
      
      
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        Transactions as of
      
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        Dec 28, 2023
      
      
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        Transactions value $
      
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        -$2,239
      
      
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        Form type
      
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        4
      
      
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        Date filed
      
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        12/29/2023, 07:06 PM
      
 
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
      
      
          
            | transaction | SDIG | Class A common stock, par value $0.0001 | Sale | -$2.24K | -226 | -0.28% | $9.91 | 81.6K | Dec 28, 2023 | Direct | F1 | 
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  
    Explanation of Responses:
  
  
  
    Remarks:
  
  The above sales were made to cover taxes upon the vesting and release of shares of the Company's Class A Common Stock awarded to the executive as part of his compensation.