j"1LAnZuoQdcKCkpDBKQMCgziGMoPC4VQUckM<div class="post">How about $ ? It's distinctive, allowed in URLs, and related to money. You could also surround the authentication address in parentheses to emphasize that coins should not be sent to that address directly.<br/><br/>I really like that authentication method.</div> text/html
https://whatsonchain.com/tx/3aa8797632e57be346a63416d02d4c559c94de322d21bd391ac8c33cd2ff437f