The TP Card looks to be a variant of the stored-value IC cards like Suica [1][2] used for transit and e-money payments across Japan, but with a fixed commuter pass and no recharge functionality.<p>The linked thread includes a comparison [3] between the TP Card and a regular Suica.<p>[1]: <a href="https://en.wikipedia.org/wiki/Suica" rel="nofollow">https://en.wikipedia.org/wiki/Suica</a><p>[2]: <a href="https://www.jreast.co.jp/e/pass/suica.html" rel="nofollow">https://www.jreast.co.jp/e/pass/suica.html</a><p>[3]: <a href="https://twitter.com/aishiterutokyo/status/1414550958827180033" rel="nofollow">https://twitter.com/aishiterutokyo/status/141455095882718003...</a>