Different types of layer 2s

https://vitalik.eth.limo/general/2023/10/31/l2types.html

We have different approach w/ off-chain rollup at @phala with a network of attested TEE workers to deploy offchain programs that can derive keypairs as gas accounts for EVM TXs sent by HTTPS requests. No gas cost on @phala as HTTPS requests execute in queries. https://github.com/Phala-Network/phat-contract-starter-kit

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