You work with the Tamil Nadu Cyber Crime Division in Chennai. A dangerous criminal syndicate has been moving illegal money through blockchain smart contracts. They think their funds are safe because the technology is complex. They are wrong.
Your team has been tracking them for weeks. The syndicate uses vulnerable smart contracts to store and move their dirty money. Your senior officer calls you in. "We found their contracts," she says. "But we cannot just seize them. We need to exploit their own code to drain the funds and collect evidence."
You sit at your workstation. The blockchain data is open in front of you. Each contract is a puzzle. Each vulnerability is a door. Your job is to find the flaws, write the exploits, and take back what they stole.
The syndicate thinks they are untouchable. Show them that even blockchain cannot hide crime from the Tamil Nadu Cyber Crime team.