He spoke not just about JWTs , but also thinks like e.g. certificates. He also mentioned data format displaying tools (e.g. inspect msgpack/json) Internal only

He spoke not just about JWTs , but also thinks like e.g. certificates. He also mentioned data format displaying tools (e.g. inspect msgpack/json) Internal only certificates might very well point out some internal only details by what fields extension they used with which value.