ソース:[1] US North Dakota plans to launch stablecoin 'Roughrider Coin' next year (https://www.techflowpost.com/newsletter/detai ...)[2] Bank of North Dakota and Fiserv Partner to Launch "Roughrider Coin," North Dakota's first Stablecoin - Business Wire (https://vertexaisearch.cloud.google.com/groun ...)[3] North Dakota plans to launch USD-backed Roughrider Coin in 2026 - Crypto Briefing (https://vertexaisearch.cloud.google.com/groun ...)