diff --git a/2019_01_16_33rd/json_web_tokens/Jonas Thelemann - JSON Web Tokens.pdf b/2019_01_16_33rd/json_web_tokens/Jonas Thelemann - JSON Web Tokens.pdf new file mode 100644 index 0000000..dc869ea Binary files /dev/null and b/2019_01_16_33rd/json_web_tokens/Jonas Thelemann - JSON Web Tokens.pdf differ