$ETH About "Do smart contracts have backdoors?"
In short: In theory, they are completely transparent with no backdoors, but developers may intentionally or accidentally leave vulnerabilities that function like backdoors.
The simplest analogy:
A smart contract is like a transparent vending machine:
1. Code is fully public: Everyone can see exactly how every gear (line of code) operates inside.
2. Rules cannot be tampered with: Once launched, no one (including the developer) can change the rules mid-way.
But “backdoors” can still exist if:
· Deliberately left during design: For example, the deve