<p><img src="https://images.cointelegraph.com/cdn-cgi/image/format=auto,onerror=redirect,quality=90,width=840/https://s3.cointelegraph.com/uploads/2023-05/8181bd59-200f-4f0f-82c7-a72e21ddbeb2.jpg"></p><p>The letter is a reminder, but a highly specific one that is reminiscent of the SEC’s recent custody rule proposal in part. </p>