BelkaCTF #6: Bogus Bill
BelkaCTF #6 is over, the gang of money forgers is all caught. Thank you for being a part of this! Congratulations to the winners:
Student track: its5Q, belkakaka, kiwi
Professional track: sinsa, sm233, teo4n6
—Chief, their bill quality shows some real delicate work.
—Agreed, but what's the takeaway?
—They had insider info.
—Hinting at technical details of the bill validator?
I added a touch of flattery to my voice.
— You're the man for a reason, Chief!
Hard 691 |
Mole |
Who leaked the technical data on the bill validator to the gang? |
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