Don't worry, I know how hashes work.
Author: @devgianlu
havceCTF{th4t_1s_n0t_h0w_h4sh3s_w0rk}
This challenge shows poor handling of hashes, hashing one character at a time produces very week hashes that can be bruteforced very easily or looked up on sites that provide a table of known hashes (e.g. https://crackstation.net/). By using one of the methods above you can fully recover the flag.