The world is essentially a cycle, just like the relationship between a key and a lock. When a lock is created, a corresponding key comes out; then when a more difficult lock to open is created, a corresponding key will emerge... and so on.

Blockchain 'Gatekeeper' annihilates reentrancy vulnerabilities, the DeFi world changes forever!


Crime Scene: The hacker was just 0.1 seconds away from 10 million USD
'At 3 AM, the hacker's code has already stabbed into a certain DeFi protocol's vault—once the transaction is on-chain, 12.7 million USD will evaporate in an instant!'
'Suddenly, alarms blare! A firewall named Venn suddenly appears, instantly freezing this deadly transaction. The hacker is dumbfounded: **‘Why is my ATM jammed?!’**'

Killer Revealed: Reentrancy Vulnerability—The 'Vital Weak Point' of DeFi