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Posted by6 hours ago

The cardano fee model is going to be updated to a tiered model. There will be multiple mempools with different fees. But should still be chronologically validated, only in paralel.

The paper: https://arxiv.org/pdf/2304.06014.pdf

What is there is one tx in a very congested lowest tier mempool, and then you spend the yet unconfirmed output of that tx in a fast high tier?

  1. child-pays-for parent sceneario. When the higher tier tx is validated, it frontruns the congested tx. That's how it would work on ltc etc. But it would break the chronology of the lowest tier.

  2. The higer tier tx would have to wait until the lower tier tx is validated. This would make sure that both of your tx are validated and you don't frontrun, but it would break the chronology of the higher tier (but this time in the more favorable way that you are backrunning)

  3. the higher tier tx fails, and will need to be rebroadcasted with a later time than the parent tx validation.

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Cardano is a decentralised public blockchain and cryptocurrency project and is fully open source. Cardano is developing a smart contract platform which seeks to deliver more advanced features than any protocol previously developed. It is the first blockchain platform to evolve out of a scientific philosophy and a research-first driven approach. The development team consists of a large global collective of expert engineers and researchers.
Created Mar 23, 2017
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