No, you cannot use multiple accounts to take courses. You may possess only one MIT Learn account, and you must complete all SCM MicroMasters courses on that account.
Possession of multiple accounts and/or use of multiple accounts to enroll/participate in a course session is a violation of the MIT Learn Honor Code and may result in penalties, up to and including expulsion from courses and revocation of certificates.
All learners are expected to adhere to the MIT Learn Honor Code and its Standards of Conduct.