And then some script kiddie from 4chan with a GPU outs all the plaintexts, and/or sets up a Twitter bot to automate it. Be very, very careful with ad-hoc security "protocols" like this. Especially when your livelihood may be at stake.https://twitter.com/Dharlette/status/944183293653733376 …
I fail to see what you're getting at here. If the name can be brute forced from a wordlist of names, you might as well post the plaintext. It doesn't matter what your intention is. Yes, bcrypt helps, though it doesn't guarantee security either.