According to a report by Decrypt on April 30, the co-inventor of the RSA encryption algorithm and Turing Award winner Adi Shamir stated at the RSA Security Conference in San Francisco, "The world would be better off without crypto assets." He pointed out that despite the noble ideals presented in the Bitcoin White Paper, current crypto assets are highly concentrated in a few large exchanges, primarily used for speculation rather than payments, and have fueled the spread of malware.