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Sequencing

Rotating block production across independent operators improves real-time censorship resistance, while deterministic host-chain inclusion provides eventual censorship resistance. No system shown here combines both guarantees today.

Decentralized Sequencing

#
name
Set size
Block production access
Min. stake / entry rate
Block time
Block production
Proposer / committee rotation
Deterministic CR
Additional CR
1
Ethereum logo
12 seconds
2
Aztec Network logo
3237 sequencers
586.92 M AZTEC
Open
No
3
Gnosis Chain logo
Open
5s
No
Shutter encrypted mempool beta
4
Polygon PoS logo
105 validators
3.56 B POL
2s
No
No

Inclusion delay by censorship fraction

T99 inclusion delay in a static sequencer set by censoring fraction of sequencer/validator stake

Points mark the largest attributed entities' cumulative stakes. A line stopping before the 50% limit indicates that any more censorship will prevent inclusion completely. This is usually due to the sequencer network's consensus mechanism stopping block production at that threshold.

Centralized sequencing

Inclusion columns show how a user bypasses censorship by the centralized operator while the chain is live. Exit covers the worst case where state proposers stop. Delays assume Ethereum includes the required L1 transactions.

#
name
Trusted preconfirmation
Trusted ordering
Sequencer
RT CR
Forced inclusion
Inclusion delay
Inclusion mechanics
Exit delay
Exit economics
1
Arbitrum One logo
2
Base Chain logo
3
OP Mainnet logo
4
Starknet logo
A system combining decentralized sequencing for real-time censorship resistance with deterministic L1 inclusion for eventual censorship resistance would provide the strongest overall protection. No live system shown here offers that combination yet.