[Original Writeup](https://srikavin.me/blog/posts/5bc10bf4f1882e545d7f4309-picoctf-2018-flaskcards-and-freedom)

Original writeup (https://srikavin.me/blog/posts/5bc10bf4f1882e545d7f4309-picoctf-2018-flaskcards-and-freedom).