Security: not so much, you’re handing the recipient your “user and password” to your account printed right there on the check. Convenience: will be superseded

Security: not so much, you’re handing the recipient your “user and password” to your account printed right there on the check. Convenience: will be superseded by FedNow. Is already superseded by various apps. Assurance: cashiers checks aren’t really relevant to this discussion. They’re not the same as a check, they might as well be a different product entirely, and they generally cost money to use for everyone except those who have fancy high value bank accounts.