Crypto assets have been around for more than a decade, but it’s only now that efforts to regulate them have moved to the top of the policy agenda. This is partly because it’s only in the past few ...

Correspondence to Dr Haruki Momma, Department of Medicine and Science in Sports and Exercise, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan; h-momma{at}med.tohoku.ac.jp ...