 
                    
                    Or Duan
Companies
 
                                        Sayfer
SAYFER are experts in targeted audits and penetration tests for the Web3 market, to prevent security breaches in Web3/bl...
sayfer.ioReferences
                    
                    
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                            crunchbase.com
                        
                        - https://www.crunchbase.com/person/or-duan
                        
                        
                    
                External links are provided for reference and verification purposes.
