GYEN

Complaint alleging fraud involving "a defective cryptocurrency" known as GYEN that was purportedly pegged to the Japanese Yen in Mohamad Mahmoud and Muath Mahmoud v. Coinbase Inc., GMO-Z.com Payment Gateway USA Inc., and GMO-Z.com USA Inc. at the Superior Court of the State of California, County of San Francisco.

Class Action Complaint alleging negligence, conversion, and fraud involving a cryptocurrency called GYEN, described as a "stablecoin" that is "purportedly 'pegged' to the Japanese yen at a rate of one-to-one", in Kenneth Donovan and Hussien Kassfy v. GMO-Z.com Trust Company Inc., described as a New York company that was created by "a Tokyo-based internet services industry company" called GMO Internet Group; Coinbase Global Inc., and Coinbase Inc., both of Delaware, at the U.S. District Court for the Northern District of California.

Complaint alleging a cryptocurrency exchange did not allow a client to realize "big gains" from trading in a "stable-coin running on Ethereum" known as GYEN, in Jose Flores v. Coinbase Global Inc. and Coinbase Inc. at the U. S. District Court for the Western District of California.