[gpt3] a new article in English that is SEO-optimized and incorporates as many relevant keywords as possible. The article should be based on the information provided in the existing post content. Additionally, please include a dedicated FAQ section and a conclusion section to enhance the reader's experience
"Today, the GAO recognized SAB 121 for what it is: regulation under the guise of staff guidance," said Nathan McCauley, CEO and co-founder of Anchorage Digital Bank, in a statement. He said the bulletin "makes it economically impossible for SEC-reporting banks – some of the most trusted financial institutions worldwide – to custody digital assets at scale."