South Florida attorneys observing an $11 billion lawsuit over digital currency have their doubts about whether the defendant Craig Wright is the man he claims to be: Satoshi Nakamoto, the enigmatic creator of bitcoin, the best known and most valuable cryptocurrency.

“The identity of Satoshi Nakamoto is one of the greatest mysteries of the digital age; his identity is our modern day D.B. Cooper story,” said Devin “Velvel” Freedman, counsel in Boies, Schiller & Flexner’s Miami office.