Author: Grace Deng; Translation: Lynn, MarsBit
Are you curious about the current state of decentralization of sorters and how they cater to different types of rollups? In this topic, I will provide a clear and concise introduction to this topic. Keep reading.
Modularity = more customization, and this also applies to the decentralization of sorters. Here are five tools that you can find in the sorter decentralization toolbox:
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Single sorter with POA
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Based Rollup
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DVT x Sorter
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Shared Sorter
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Bootstrap a new sorter group
Single sorter with POA
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A single or group of authorized sorters operated by the rollup company
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Pros: Lowest latency, no extra action needed.
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Cons: Single point of failure.
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Potential customers: High-performance rollups like Nova (games, social chains) or enterprise rollups like Base.
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Service providers: e.g. @OffchainLabs, @OPLabsPBC
Based Rollup
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Anyone can submit an L2 batch to the DA layer (builder), and the DA layer decides the final block (proposer).
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Pros: Inherits validity and CR from the DA layer.
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Cons: Leaks revenue and MEV, slow confirmation.
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Potential customers: @ultrasoundmoney’s rollup
DVT x Sorter
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A new solution proposed by @DougieDeLuca. The sorting responsibility of a single sorter is assigned to a cluster. Each node in the DV cluster signs independent proofs with a portion of their validator key.
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Pros: Can be inserted into other solutions to enhance their effectiveness.
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Cons: Adds a little latency.
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Potential customers: Transitional solutions for centralized rollups or financial barriers for decentralized rollups.
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Service providers: @ObolNetwork
Shared Sorters
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Sorters as a service, batch processing several rollup txs and proposing them to the DA layer.
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Advantages: network effects of cross-domain atomicity.
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Disadvantages: requires a super builder and difficult to fairly distribute MEV. By the way, highly recommend @0xRainandCoffee’s content on SS.
Wrote a long article about how shared sorters work internally, why they are important, and how they will shape the future of the entire rollup;
Potential customers: those who don’t want to launch their own sorter group but want more vitality and interoperability with other sorters for rollups.
Service providers: @AstriaOrg, @EspressoSys, @radius_xyz.
Bootstrapping a New Sorter Set
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Create a decentralized sorter group without permission using a token incentive mechanism.
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Choose a sorter from a POS round-robin selection scheme or a sorter auction.
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Advantages: increase the utility of tokens and get the maximum value of rollup.
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Disadvantages: delay, difficult to implement for less well-known rollups.
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Potential customers: provide long-term solutions for well-known rollups; Zk-rollup needs to bootstrap a group of provers, such as @aztecnetwork.
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