Sony applies for a patent for its technology of "using tokens on a distributed ledger to track in-game unique digital assets."

According to ChainCatcher news, information from the United States Patent and Trademark Office indicates that Sony has successfully applied for a patent for its "token tracking of in-game unique digital assets on a distributed ledger" technology.

It is reported that this patent provides a system and method for tracking digital assets associated with video games. Digital assets can be digital items or characters within the game. The technology tracks the history of digital assets by creating a distributed ledger and storing it across devices. (Source link)