"It's a good thing no one knows who Satoshi Nakamoto is," wrote Adam Back, chief executive of Blockstream. According to Polymarket, the probability of Adam Back's prediction vote in "Who will HBO documentary identify as Satoshi Nakamoto?" rose to 21%, but after Adam Back repeatedly denied it, the probability of Adam Back fell to 10.4%. As of the time of publication, in the prediction poll on Polymarke's "HBO documentary will identify who is Satoshi Nakamoto?", the probability of American computer scientist Nick Szabo rose to 26.8%, Len Sassaman is currently 15.5%, and Adam Back is 10.4%.