The US SEC reached a settlement with the Sia project and was fined $225,000.

On October 1, the US Securities and Exchange Commission announced in a press release that it had reached a settlement with the cloud computing company Nebulous behind Sia's centralized cloud storage network in the form of a civil fine. Nebulous neither recognizes nor denies the findings. As part of the settlement agreement, Nebulous agreed to pay a fine of approximately $225,000. According to the SEC, the Massachusetts-based company launched an unregistered Sianotes in 2014 for a total of $120,000, promising investors to earn revenue from Sia online transactions in the future.