Coinbase Converts GYEN Balances to USDC as Stablecoin Winds Down

TL;DR: Coinbase has told customers that support for the yen-linked GYEN stablecoin is being wound down as its issuer, GMO-Z.com Trust Company, retires the product. The status notice is the relevant primary communication for Coinbase customers, and its time window needs to be read precisely. The latest development in Coinbase’s corner of the digital-asset market is worth examining beyond the headline. A 2026-10-26 announcement describes a concrete change, but the investment consequences will depend on how it works in practice. The original record is available in the original company statement; here is what it establishes, why the distinction matters and what remains unproven. What the source actually says Coinbase has told customers that support for the yen-linked GYEN stablecoin is being wound down as its issuer, GMO-Z.com Trust Company, retires the product. According to Coinbase’s status notice, sending and receiving GYEN on the platform was disabled from October 26, 2026, and remaining customer balances are scheduled for conversion into USDC between October 26 and October 30. The conversion is at the prevailing market rate when it happens, not at a universal promised yen-dollar p...