The two confirmed people are Krause and Elez. Elez briefly resigned after his extremely racist tweets surfaced but is back at DOGE now. Krause has only been a treasury employee for 7 business hours as of now but has been on the task for much longer than that.

That many in DOGE had access and that two would continue to have it is not in question: https://thehill.com/business/5130107-treasury-department-lim...

The legality is also clearly in question: https://www.cnn.com/2025/02/08/politics/elon-musk-doge-treas...