As a Modular Execution Layer, does fuel has it’s own consensus? If does, why does it need a extra DA and settlement. If not, what is the POA consensus mentioned in doc? and How to store the final data? If I want to query some data from node, does the data is the same?
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Fuel itself is just a modular execution layer. It was built to run as a rollup, but can theoretically be run in any configuration.
Fuel Ignition, our first chain, will be deployed as a rollup settling on Ethereum and using Ethereum 4844 for DA.
what is the POA consensus mentioned in doc?
PoA consensus is used to run the chain as a centralized independent chain, used for early testnets.
If I want to query some data from node, does the data is the same?
You can query any node normally
Does Fuel Ignition has consensus mechism? If it just a a execution layer. Does POA works in that?
Can I understand like this. The way of execute tx on fuel is centralized. Full node get final block from DA. Is that true?
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Rollups (like Arbitrum, Optimism, etc) do not need consensus mechanisms, as they use the L1 for consensus. Fuel will be similar.
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