Crossword Genius

Scam for now unregulated? It's a potentially difficult situation (3,2,5)

Ross

I believe the answer is:

can of worms

I'm a little stuck... Click here to teach me more about this clue!

'a potentially difficult situation' is the definition.
I don't know anything about this answer so I cannot tell whether it can be defined by this definition.

'scam for now unregulated?' is the wordplay.
'scam for now' anagrams to 'CAN OF WORMS'.
But, I am unsure how this is indicated.

'it's' is the link.

Can you help me to learn more?

(Other definitions for can of worms that I've seen before include "Complex problem" , "Bird's convenience food" , "an angler might have?" , "Potential trouble" , "Something likely to prove awkward" .)

I've seen this clue in The Independent.
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