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Leading options · 6 ranked from 12 screened

Shared Sequencers

Shared Sequencers evaluated across named mainnet rollups sequencing today, sequencer set and halt power, published economics and MEV policy, and what the documentation says happens the day it stops.

#1 of 6 · published ranking
Taiko (Taiko Alethia)
79ChainChoice Score
Why it leads
Best in the pool on published economics MEV (9/10; next 5/10)
Cost
Not priced · No comparable price is published
No provider can pay for a position in this table. The code that computes this order cannot read which links earn us a commission, and every build proves it. Every score below rebuilds from the published criteria.Ranking 2026.08 · 4 criteria · 6 products · same inputs, same order
Personal comparison

Shared Sequencers ranked comparison

No comparable price is published; ranking still uses verified product evidence.

RankProviderBest fitScore
1
Taiko (Taiko Alethia)Based rollup whose L2 proposals are ord...Top ranked
Published economics and MEV policy — 9/10Trade-off: Taiko is in this comparison as the production instance of the rival architecture — ou...
79score
Check availability for your countryVisit Taiko (Taiko Alethia) · taiko.xyz

Commission: This provider pays ChainChoice nothing for this link. Disclosure

Crypto products are high risk. Check the provider is authorised where you live before you deposit.

2
Espresso NetworkDelegated proof-of-stake network that f...
What the documentation says happens the day it stops — 8/10Trade-off: The best-adopted product in the shared sequencer category no longer describes itself...
76score
Check availability for your countryVisit Espresso Network · espressosys.com

Commission: This provider pays ChainChoice nothing for this link. Disclosure

Crypto products are high risk. Check the provider is authorised where you live before you deposit.

3
Spire (Based Stack / Pylon)Based appchain stack that delegates blo...
What the documentation says happens the day it stops — 5/10Trade-off: The word to read carefully in Spire's own FAQ is "single": all appchain sequencers in...
64score
Check availability for your countryVisit Spire (Based Stack / Pylon) · spire.dev

Commission: This provider pays ChainChoice nothing for this link. Disclosure

Crypto products are high risk. Check the provider is authorised where you live before you deposit.

4
Rome ProtocolEVM execution environments deployed as...
Published economics and MEV policy — 5/10Trade-off: Every LIVE badge on Rome's site is a devnet or testnet badge — confirmed not just by...
57score
Check availability for your countryVisit Rome Protocol · rome.builders

Commission: This provider pays ChainChoice nothing for this link. Disclosure

Crypto products are high risk. Check the provider is authorised where you live before you deposit.

Same score, not joint · ordered by weighted total (33.60 against 33.50)
5
RadiusEncrypted-mempool block building plus a...
Sequencer set and halt power — 4/10Trade-off: Radius has repositioned away from this category and a buyer should read its About pag...
57score
Check availability for your countryVisit Radius · theradius.xyz

Commission: This provider pays ChainChoice nothing for this link. Disclosure

Crypto products are high risk. Check the provider is authorised where you live before you deposit.

6
AltLayer SQUADAltLayer SQUADEigenLayer-restaked sequencer network t...
Sequencer set and halt power — 4/10Trade-off: The feature that makes a shared sequencer worth buying is an unchecked box. AltLayer'...
55score
Check availability for your countryVisit AltLayer SQUAD · docs.altlayer.io

Commission: This provider pays ChainChoice nothing for this link. Disclosure

Crypto products are high risk. Check the provider is authorised where you live before you deposit.

Ranking blindCommercial terms excludedDated primary sources

Ranked on 4 published criteria weighted 35/25/20/20, which set goal alignment — 30 of the 86 points. The rest: regional access 20, evidence depth 18, ease of use 10, institutional trust 8. Profile match is shown in breakdowns but carries no weight.

Audit
Infrastructure
Methodology
2026.09.15
published 2026-09-16
Providers tracked
980+
across 119 categories
Last verified
2026-09-24
newest dated pricing or sentiment read
Named on the roster
2 people
managing directors · 6 automated processes
Decision guide

What matters most before choosing in this category

The honest answer for most teams today is not yet, and the evidence for that is unusually clean. The category's best-known name states in its own glossary that it does not replace the sequencer — it provides settlement and finality for blocks a chain's own sequencer already produced, which is a different product from the one the category is named for. Not one of the six providers publishes a price. Cross-rollup atomicity, the specific benefit that justifies surrendering your ordering and your MEV, could not be verified as live anywhere in the pool. And two of the candidates a buyer would have shortlisted shut down within nine months of each other, for commercial rather than technical reasons. If you are evaluating this seriously, the question to put to a vendor is which mainnet rollups sequence through them today, by name.

What matters most before choosing in this category

The honest answer for most teams today is not yet, and the evidence for that is unusually clean. The category's best-known name states in its own glossary that it does not replace the sequencer — it provides settlement and finality for blocks a chain's own sequencer already produced, which is a different product from the one the category is named for. Not one of the six providers publishes a price. Cross-rollup atomicity, the specific benefit that justifies surrendering your ordering and your MEV, could not be verified as live anywhere in the pool. And two of the candidates a buyer would have shortlisted shut down within nine months of each other, for commercial rather than technical reasons. If you are evaluating this seriously, the question to put to a vendor is which mainnet rollups sequence through them today, by name.

Which rollups are sequencing through this on mainnet today, by name — not in a testnet or a roadmap?
Is the thing being sold actually ordering, or is it settlement and finality for someone else's ordering?
What does the documentation say happens on the day the sequencer halts?
Current editor lead

Expert review and scoring weights

Taiko (Taiko Alethia)Data checked Sep 2026
Based rollup whose L2 proposals are ordered by Ethereum L1 consensus rather than a dedicated sequencer, with the fast proposing path currently gated by a preconfirmation whitelist.

Based rollup whose L2 proposals are ordered by Ethereum L1 consensus rather than a dedicated sequencer, with the fast proposing path currently gated by a preconfirmation whitelist. Strongest on published economics and mev policy (9/10): Taiko's economics page publishes the split: proposers keep priority fees and 75% of L2 base fees, the Taiko DAO Treasury receives 25% of the L2 base fee, and the prover fee "is negotiated off-chain between proposers and provers." MEV "flows to Ethereum validators rather than being captured by a centralized sequencer." Weakest on sequencer set and halt power (3/10): L2BEAT, the neutral source, records that proposing "is gated by PreconfWhitelist, which selects a single active operator for the current epoch and has no permissionless fallback." Taiko names the three whitelisted preconfers (Nethermind, Chainbound, Gattaca), each elected for a 32-slot epoch. Published price: The only published revenue split in this pool, re-read 2026-09-24.

Best forPublished economics and MEV policy — 9/10
Main tradeoffTaiko is in this comparison as the production instance of the rival architecture — outsourcing ordering to Ethereum's proposer set instead of to a new one — not as a sequencing service a rollup can buy. It sequences one chain, it is rated Stage 0 by L2BEAT with the missing requirement "Users' withdrawals can be censored by the permissioned operators", and its contracts are instantly upgradable with no exit window. The buyer should also weigh that the vendor's docs and the neutral risk assessment directly contradict each other on whether a permissionless proposing fallback exists.
Verify before signupThe only published revenue split in this pool, re-read 2026-09-24. Taiko's economics page states the proposer's revenue as "**Priority fees** from all transactions in the blocks they propose." and "**75% of base fees** from L2 transactions.", and states that "The Taiko DAO Treasury receives **25% of the L2 base fee**". The fee-flow table allocates the priority fee 100% to the L2 block proposer, the base fee 75% to the L2 block proposer and 25% to the Taiko DAO Treasury (the table rows are column-padded markdown, so they are described rather than quoted). Two costs are named and one is explicitly not published: the prover fee is "Compensation to provers for generating validity proofs. This is negotiated off-chain between proposers and provers." The bond is currently waived, now under the Unzen fork rather than Shasta: "The live Unzen configuration currently runs with a liveness bond of `0`." (docs.taiko.xyz/protocol/economics.md, HTTP 200, fetched 2026-09-24; the only wording change since 2026-08-06 is Shasta → Unzen in that sentence). NOTE FOR THE BUYER: this is the economics of running as a proposer on Taiko, not a subscription price for sequencing-as-a-service; Taiko publishes no such subscription price because it does not sell one. — no list price is published, so cost cannot be compared before a sales conversation.
Methodology

How this category is reviewed

Reviewed on which rollups actually sequence through them on mainnet today by name, who orders your transactions and whether one operator can stop them, what you pay and who takes the MEV, and what the documentation says happens the day it halts.

The order on this page is the published ranking for this category. Every criterion, weight and source behind it is on the methodology page.
Frequently asked

Questions people ask before choosing sequencers

Should I use a shared sequencer yet?
Probably not, and this page exists to say so with evidence rather than to rank a category into looking ready. The specific promise — cross-rollup atomicity, the ability for transactions on two rollups to succeed or fail together — could not be verified as live at any provider in this pool. One lists it as an unchecked box on a page last updated two years ago; another's multi-rollup design has a documentation URL that returns a 404. Meanwhile the ordinary alternative, running your own sequencer, has no vendor dependency and no revenue share. The case for outsourcing gets much stronger the day atomicity is demonstrably live, and that day is checkable rather than promised.
What does the flagship product actually do?
Not what the category name implies, and it says so itself. Its glossary states that it does not replace the sequencer, and that it instead provides decentralised settlement and finality for the blocks a chain's own sequencer produces. That is a real and useful product — but a team shopping for shared sequencing on the strength of the brand would be buying something else. Worth noting how this was established: its own live-chains reference turned out to be stale, and that only surfaced by calling the published endpoints rather than reading the page, with several failing to answer at all.
What will it cost?
Nobody in this category will tell you before a sales conversation. All six route pricing to a contact form, an email address, or an invitation to schedule an architecture review; two publish revenue-side claims with no cost attached. That is scored rather than treated as neutral, because sequencing is a per-transaction cost on your chain's critical path and a price you cannot model is a commitment you cannot size. If a vendor will quote you, get the MEV policy and the revenue share in the same document — the money in this arrangement moves in both directions.
REVIEWEDAugust 6, 2026METHOD4 criteriaCATEGORYshared_sequencers
Not financial advice · For informational purposes only · Always do your own research
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