I am unsure of the difficulty of this puzzle, but feel free to give it a try

My prefix is almost dissolved
My infix is an array
My suffix forms nouns of action
I am the key


Since it's been a day...
Hint 1:

Fool you once, shame on me.
Fool you 13 times, shame on you.

Hint 2:

1 + 1 = 2

Hint 3:

I am the key is still part of the puzzle


I apologize to anyone who tried solving this and was unable to decrypt the message. At the time, I had used an encoder that I believed to work, but upon returning to this site and this question, it appears that it in fact did not work properly, and the cipher text was incorrect. It has now been fixed. I apologize again to anyone who fell short simply due to the last part.

  • 5
    $\begingroup$ That's actually a nice way to confirm if the answer you're thinking of is undoubtebly correct. (apart from possible brute-force / dictionary attacks, of course) $\endgroup$ Sep 1, 2020 at 14:18
  • 2
    $\begingroup$ I solved it using a dictionary attack, so I'm leaving it open for anyone who likes riddles. I don't recommend stacking two ciphers for this kind of thing, though. Feels guessy. $\endgroup$ Mar 13, 2023 at 13:46

1 Answer 1


The answer to the riddle is


My prefix is almost dissolved

SOLUT is almost close to the word Solute - which can be dissolved in any solution.

My infix is an array

LUT - Lookup Table is an array that replaces runtime computation with a simpler array indexing operation.

My suffix forms nouns of action

ION is generally used in nouns related to action like TRANSITION, MOTION, REACTION. Action has "ion" as well.

I am the key

Solution can also be called as a "key".


Apply the key Solution to the cipher text which is encrypted using Vigenere cipher, we get lbhfbyirqvg and applying Rot13(clued in hints) to this we get YOUSOLVEDIT

Final answer

You solved it.

  • 1
    $\begingroup$ Really glad to see this riddle be solved after so much time, nice job! $\endgroup$ May 2, 2023 at 13:20
  • $\begingroup$ @kaitlynmm569 Yeah, 2 years is a really loooooong time :) $\endgroup$
    – Techidiot
    May 2, 2023 at 13:22

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