Swindle using some computers came to nought (4)

I believe the answer is:

scam

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

'swindle' is the definition.
(I know that swindle can be written as scam)

'some computers came to nought' is the wordplay.
'SCAM' is hidden within the letters.
However, I'm not sure how this is indicated.

'using' acts as a link.

Can you help me to learn more?

(Other definitions for scam that I've seen before include "Confidence trick, swindle" , "Fraud, dishonest scheme" , "Fraudulent scheme, swindle" , "An informal swindle" , "Dodgy business" .)

I've seen this clue in The Globe and Mail.

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