@arbitrum @OffchainLabs Rollup chains inherit their security directly from Ethereum Layer 1.
On the other hand, AnyTrust chains introduce their own security model that enables lower transaction fees.
@arbitrum @OffchainLabs Rollup 链直接从以太坊第 1 层继承其安全性。
另一方面，AnyTrust 链引入了自己的安全模型，可以降低交易费用。