Darn, I thought I would stand a chance for once haha
Word #3 has still not been uncovered. Try your luck with that one if you want.
5. coinjoin
Coinjoin is correct, yes.
Is this not related to cryptocurrency??
It may or may not be, I don't know. I asked you in my previous post what that term means. It doesn't matter because it's not the word I was looking for. The point of the game is not to fill the spaces with any letters to create words that fit. You are guessing one specific term per line.