1. But a Sequencer never requires the state

-> It need to have a copy of the Rollup state in order to properly execute transactions correct ?

2. And another question, what would happen if the sequencer colludes with a proposer, withholds data and then the proposer publishes an invalid state root to the bridge ? This is concerning the bridge only not the Rollup itself. How could fraud be proved in this scenario ?

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Why swaps or DeFi interactions are fallible transactions?

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Either here or in a followup post I'd love to better understand:

- whether I should believe that the Arbitrum *delayed inbox* is a sound argument that Censorship Resistance is preseved

- how shared sequencing exposes options for trust-minimized bridges between rollup environments

- really off the wall, but if the above paradigm for trust-min is viable, whether it might be viable for rollups post data to multiple DA's just for wider trust-minimized bridge-ability with other chains

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