$ cat writeup.md…
$ cat writeup.md…
cryptokids20
It's affine cipher: `ahfupn{ryzzs_g_qo_aeur_qnngdy_ughryl}`. Flag format: spbctf{...}
Permission denied (requires tier.pro)
Sign in with GitHub, Discord, or Google to continue. No email required.
$sign in$ grep --similar