Why can the same smart contract code be deployed exactly as is across multiple chains?
“EVM compatibility” lets project teams write a contract once and deploy it across multiple chains. It also means that the same type of contract vulnerability may exist on several chains at the same time.
EVM execution must be deterministic: the same input must produce the same result on every node, or the nodes won't be able to reach consensus.
Don't laugh—I only remembered this after learning the hard way.
Understand the rules before you get started, and don't place orders on impulse.
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