Layer-2 Blockchains

Layer-2 blockchains evaluated on exit safety by L2BEAT stage, proof system, exit window and proposer and sequencer failure; EVM equivalence; maturity; and Ethereum data availability.

26providers tracked

15ranked (methodology v2026.11.1)

12 November 2026Ranking snapshot

1 October 2026oldest read · due 15 Nov

Independent. Evidence-based.We rank with a published method and sourced evidence. No one can pay to rank.How it works

Proof system

18% of the published criteria weight. Scored 0–10 from the published evidence; the order below is by this criterion, then the published ranking.

Provider	Proof system (0–10)	ChainChoice Score
Arbitrum One	10	81
OP Mainnet	10	80
Base	10	77
Ink	10	76
Unichain	10	75
Scroll	10	71
Starknet	10	63
zkSync Era	10	63
Mantle	10	62
Taiko Alethia	10	59
Linea	10	57
Arbitrum Nova	6	73
Manta Pacific	0	43
Blast	0	41
Polygon zkEVM	0	41

Exit window

Exit window before an upgrade

10% of the published criteria weight. Scored 0–10 from the published evidence; the order below is by this criterion, then the published ranking.

Provider	Exit window (0–10)	ChainChoice Score
Arbitrum One	2	81
Arbitrum Nova	2	73
Starknet	2	63
zkSync Era	1	63
OP Mainnet	0	80
Base	0	77
Ink	0	76
Unichain	0	75
Scroll	0	71
Mantle	0	62
Taiko Alethia	0	59
Linea	0	57
Manta Pacific	0	43
Blast	0	41
Polygon zkEVM	0	41

Forced withdrawals

Withdrawals if the operator stops

18% of the published criteria weight. Scored 0–10 from the published evidence; the order below is by this criterion, then the published ranking.

Provider	Forced withdrawals (0–10)	ChainChoice Score
Arbitrum One	10	81
OP Mainnet	10	80
Base	10	77
Ink	10	76
Unichain	10	75
Arbitrum Nova	10	73
Scroll	10	71
Starknet	5	63
zkSync Era	5	63
Mantle	0	62
Taiko Alethia	0	59
Linea	0	57
Manta Pacific	0	43
Blast	0	41
Polygon zkEVM	0	41

Censorship resistance

Transactions if the sequencer censors you

12% of the published criteria weight. Scored 0–10 from the published evidence; the order below is by this criterion, then the published ranking.

Provider	Censorship resistance (0–10)	ChainChoice Score
Arbitrum One	10	81
OP Mainnet	10	80
Base	10	77
Ink	10	76
Unichain	10	75
Arbitrum Nova	10	73
Mantle	10	62
Manta Pacific	10	43
Blast	10	41
Scroll	8	71
Starknet	5	63
zkSync Era	5	63
Taiko Alethia	5	59
Linea	0	57
Polygon zkEVM	0	41

EVM equivalence

10% of the published criteria weight. Scored 0–10 from the published evidence; the order below is by this criterion, then the published ranking.

Provider	EVM equivalence (0–10)	ChainChoice Score
Arbitrum One	10	81
OP Mainnet	10	80
Base	10	77
Ink	10	76
Unichain	10	75
Arbitrum Nova	10	73
Taiko Alethia	10	59
Linea	10	57
Manta Pacific	10	43
Scroll	6	71
zkSync Era	6	63
Mantle	6	62
Blast	6	41
Starknet	0	63
Polygon zkEVM	0	41

Track record

Maturity & track record

10% of the published criteria weight. Scored 0–10 from the published evidence; the order below is by this criterion, then the published ranking.

Provider	Track record (0–10)	ChainChoice Score
Arbitrum One	10	81
OP Mainnet	10	80
Arbitrum Nova	8	73
Starknet	8	63
Base	6	77
Scroll	6	71
zkSync Era	6	63
Mantle	6	62
Linea	6	57
Manta Pacific	6	43
Ink	4	76
Taiko Alethia	4	59
Blast	4	41
Unichain	2	75
Polygon zkEVM	0	41

Data on Ethereum

Ethereum data availability

14% of the published criteria weight. Scored 0–10 from the published evidence; the order below is by this criterion, then the published ranking.

Provider	Data on Ethereum (0–10)	ChainChoice Score
Arbitrum One	10	81
OP Mainnet	10	80
Base	10	77
Ink	10	76
Unichain	10	75
Arbitrum Nova	10	73
Scroll	10	71
Mantle	10	62
Taiko Alethia	10	59
Linea	10	57
Blast	10	41
Starknet	9	63
zkSync Era	9	63
Manta Pacific	0	43
Polygon zkEVM	0	41

Rollup stage

8% of the published criteria weight. Scored 0–10 from the published evidence; the order below is by this criterion, then the published ranking.

Provider	Rollup stage (0–10)	ChainChoice Score
Arbitrum One	7	81
OP Mainnet	7	80
Base	7	77
Ink	7	76
Unichain	7	75
Starknet	7	63
Arbitrum Nova	3	73
Scroll	3	71
zkSync Era	3	63
Mantle	3	62
Taiko Alethia	3	59
Linea	3	57
Manta Pacific	0	43
Blast	0	41
Polygon zkEVM	0	41

All 8 published criteria

Every ranked row’s score on each criterion, in the published order. Choose a column to order by it.

	Provider									ChainChoice Score
1	Arbitrum One	10	10	10	7	10	2	10	10	81
2	OP Mainnet	10	10	10	7	10	0	10	10	80
3	Base	10	6	10	7	10	0	10	10	77
4	Ink	10	4	10	7	10	0	10	10	76
5	Unichain	10	2	10	7	10	0	10	10	75
6	Arbitrum Nova	10	8	10	3	6	2	10	10	73
7	Scroll	6	6	10	3	10	0	10	8	71
8	Starknet	0	8	9	7	10	2	5	5	63
9	zkSync Era	6	6	9	3	10	1	5	5	63
10	Mantle	6	6	10	3	10	0	0	10	62
11	Taiko Alethia	10	4	10	3	10	0	0	5	59
12	Linea	10	6	10	3	10	0	0	0	57
13	Manta Pacific	10	6	0	0	0	0	0	10	43
14	Blast	6	4	10	0	0	0	0	10	41
15	Polygon zkEVM	0	0	0	0	0	0	0	0	41

How this ranking works

How firm the #1 is, the per-criterion arithmetic behind each score, who pays ChainChoice, and which L2 blockchains were assessed and left out.

FirmThis verdict holds under every one-point re-read

See the arithmetic

Every published criterion was moved up and down by one point and the ranking re-run. The same product came first each time. The published rankings file

Why this score8 published criteria · leads every one

Published criterionWtScore, and the best hereGap out of 10Pts

EVM equivalence2.4·103.2

Maturity & track record2.4·103.2

Ethereum data availability3.4·104.5

Rollup stage1.9·71.8

Proof system4.3·105.8

Exit window before an upgrade2.4·20.6

Withdrawals if the operator stops4.3·105.8

Transactions if the sequencer censors you2.9·103.8

Σ methodology points28.7/32

Each bar is the score on that criterion’s own 0–10 scale, never rescaled to the pool. The dark line is the best any product here reached on that axis. Wt is the most the criterion can add to the 86-point weighted total. Pts is weight × score × 32; the sum is the methodology score, and each weighted point behind the leader costs 2.6 on the displayed score. how these are weighted

Why it ranks first

Why Arbitrum One leads this category right now

Optimistic rollup with full EVM-equivalence, settling to Ethereum. Strongest on withdrawals if the operator stops (10/10): L2BEAT proposer failure: Self propose. "Anyone can be a Proposer and propose new roots to the L1 bridge." Weakest on exit window before an upgrade (2/10): L2BEAT exit window: 10d on the regular upgrade path, none for emergencies. "Non-emergency upgrades are initiated on L2 and go through a 8d delay on L2 and a 3d delay on L1." Published facts: Rollup: Optimistic (fraud proofs). EVM: equivalent. Mainnet: 2021. DA: Ethereum L1 blobs. Gas in ETH. Live gas feed-pending; TVL shown live for context (DefiLlama), not scored.

Best for

EVM equivalence — 10/10

Main tradeoff

Optimistic rollups carry a challenge/withdrawal window (about seven days) absent a fast-exit bridge

Verify before signup

Rollup: Optimistic (fraud proofs). EVM: equivalent. Mainnet: 2021. DA: Ethereum L1 blobs. Gas in ETH. Live gas feed-pending; TVL shown live for context (DefiLlama), not scored.

Recommendation summary

What should decide this category

If the operator stopped tomorrow, could you still withdraw without anyone's permission?

Do you need faster L1 finality (ZK) or the deepest existing liquidity (Optimistic)?

Must existing EVM contracts run unchanged, or is EVM-compatible enough?

Do you require Ethereum-level data availability, or is an external DA layer acceptable for lower cost?

Quick picks

Strong options in this category

Start with the lead choice first, then use the shortlist only if you still need a challenger or stronger fit for a specific setup.

Best overall

Arbitrum One

Optimistic rollup with full EVM-equivalence, settling to Ethereum

Best for: EVM equivalence — 10/10

EVM equivalence · weight 10%10/10Maturity & track record · weight 10%10/10Ethereum data availability · weight 14%10/10Rollup stage · weight 8%7/10Proof system · weight 18%10/10Exit window before an upgrade · weight 10%2/10Withdrawals if the operator stops · weight 18%10/10Transactions if the sequencer censors you · weight 12%10/10

Quick pick

OP Mainnet

The original OP Stack optimistic rollup, EVM-equivalent

The original OP Stack optimistic rollup, EVM-equivalent. Strongest on withdrawals if the operator stops (10/10): L2BEAT proposer failure: Self propose. "Anyone can be a Proposer and propose new roots to the L1 bridge." Weakest on exit window before an upgrade (0/10): L2BEAT exit window: None. "There is no exit window for users to exit in case of unwanted upgrades as they are initiated by the Security Council with instant upgrade power and without proper notice." Published facts: Rollup: Optimistic. EVM: equivalent. Mainnet: 2021. DA: Ethereum L1. Gas in ETH. Live gas feed-pending; TVL shown live for context (DefiLlama), not scored.

Best for: EVM equivalence — 10/10

EVM equivalence · weight 10%10/10Maturity & track record · weight 10%10/10Ethereum data availability · weight 14%10/10Rollup stage · weight 8%7/10Proof system · weight 18%10/10Exit window before an upgrade · weight 10%0/10Withdrawals if the operator stops · weight 18%10/10Transactions if the sequencer censors you · weight 12%10/10

Quick pick

Base

Coinbase-built OP Stack rollup, EVM-equivalent, no native token

Coinbase-built OP Stack rollup, EVM-equivalent, no native token. Strongest on withdrawals if the operator stops (10/10): L2BEAT proposer failure: Self propose. "Anyone can be a Proposer and propose new roots to the L1 bridge." Weakest on exit window before an upgrade (0/10): L2BEAT exit window: None. "There is no window for users to exit in case of an unwanted upgrade since contracts are instantly upgradable." Published facts: Rollup: Optimistic (OP Stack). EVM: equivalent. Mainnet: 2023. DA: Ethereum L1. Gas in ETH, no native token. Live gas feed-pending; TVL shown live for context (DefiLlama), not scored.

Best for: EVM equivalence — 10/10

EVM equivalence · weight 10%10/10Maturity & track record · weight 10%6/10Ethereum data availability · weight 14%10/10Rollup stage · weight 8%7/10Proof system · weight 18%10/10Exit window before an upgrade · weight 10%0/10Withdrawals if the operator stops · weight 18%10/10Transactions if the sequencer censors you · weight 12%10/10

Quick pick

Ink

Kraken's OP Stack rollup for DeFi, at L2BEAT Stage 1

Kraken's OP Stack rollup for DeFi, at L2BEAT Stage 1. Strongest on withdrawals if the operator stops (10/10): L2BEAT proposer failure: Self propose. "Anyone can be a Proposer and propose new roots to the L1 bridge." Weakest on exit window before an upgrade (0/10): L2BEAT exit window: None. "There is no exit window for users to exit in case of unwanted upgrades as they are initiated by the Security Council with instant upgrade power and without proper notice." Published facts: Rollup: Optimistic (OP Stack, permissionless fraud proofs). EVM: equivalent. Mainnet: 2024. DA: Ethereum L1 blobs. Gas in ETH. Stage 1. Live gas feed-pending; TVL shown for context (L2Beat), not scored.

Best for: EVM equivalence — 10/10

EVM equivalence · weight 10%10/10Maturity & track record · weight 10%4/10Ethereum data availability · weight 14%10/10Rollup stage · weight 8%7/10Proof system · weight 18%10/10Exit window before an upgrade · weight 10%0/10Withdrawals if the operator stops · weight 18%10/10Transactions if the sequencer censors you · weight 12%10/10

Considered and not ranked

11 products we looked at and left out

A shortlist is only honest if it says who it turned away. Each of these was assessed against the same published criteria as the ranked table and excluded for a stated reason — not overlooked.

We assessed 26 products here and rank 15 — 58% of what we looked at. That share is of the products we assessed, not of the category: how many exist is not something we can count, so we do not claim a number for it.

Polygon PoSBNB ChainopBNBAvalanche L1s (Subnets)Immutable X· No longer operatingLoopring· No longer operatingZora NetworkRonin· Ranked elsewhereAptos· Ranked elsewhereSui· Ranked elsewhereWorld Chain· Different job

What this ranking does not assess

Contract failure: the code holding the funds is exploited.
Execution failure: you get a worse price, later, or nothing.

These can still cost you money here; the ranking does not measure them, so a high place says nothing about them. Which criterion scores each family, and why the others do not apply, is in /data/risk-coverage.json.

Quantum exposure: which signature scheme each product here relies on, and what it has published about post-quantum readiness, as of 15 October 2026. Read the explainer. It changes no score.

How this ranking is built

Reviewed on eight sourced, dated criteria. Five read L2BEAT's risk entries: rollup stage, proof system, the exit window before an upgrade, whether withdrawals keep working if the operator stops, and whether you can force a transaction in if the sequencer censors you (66 of 100 points). Three read the chain's own documentation: EVM equivalence, maturity (years of public mainnet) and Ethereum data availability. Live TVL (DefiLlama, dated) is shown for context, not scored, because it measures adoption rather than whether you can leave. Gas cost is feed-pending, never estimated.

Data checked Oct 2026 · Independent rankings · We show our work

Reviewed 1 October 2026Next review by 15 November 2026Published 22 July 2026Methodology v2026.11.1

How this page is reviewed

Reviewed means every product ranked on this page was read against its sources on or after that date; every ranked category is re-read at least every 45 days. Models research, extract and parse. A deterministic engine ranks. Every quote passes an adversarial refute pass.

Accountable for this review: Mathias Siemonsmeier, Founder.

How we review · Review calendar · Corrections log · How we make money

Direct answer

What is the best layer-2 blockchain in 2026?

Arbitrum One ranks #1 overall for L2 blockchains on ChainChoice. Optimistic rollup with full EVM-equivalence, settling to Ethereum. It holds that rank under an affiliate-blind methodology scored across 8 published, weighted criteria — the code that ranks providers physically cannot read affiliate payouts (CI-enforced), so a payout can't move a rank. The verdict re-computes on every fee change, incident, or regulatory action; the full reasoning and the audit receipt are under Methodology.

How you can lose money here, and what the ranking scores

Control failure: a key or vote changes the rules, freezes or mints.
Scored by Exit window before an upgrade · 10% (Arbitrum One 2/10, OP Mainnet 0/10, Base 0/10)
Verification failure: an invalid state or transfer is accepted.
Scored by Ethereum data availability · 14% (Arbitrum One 10/10, OP Mainnet 10/10, Base 10/10)
Scored by Proof system · 18% (Arbitrum One 10/10, OP Mainnet 10/10, Base 10/10)
Liveness failure: the operator stops, censors you or loses data.
Scored by Withdrawals if the operator stops · 18% (Arbitrum One 10/10, OP Mainnet 10/10, Base 10/10)
Scored by Transactions if the sequencer censors you · 12% (Arbitrum One 10/10, OP Mainnet 10/10, Base 10/10)

Not assessed by this ranking: Contract failure, Execution failure. A high place says nothing about these; the Methodology tab says what each means.

Also scored, as cost, quality or a summary of several families: EVM equivalence (10%), Maturity & track record (10%), Rollup stage (8%).

FAQs

3 questions readers ask before choosing L2 blockchains.

Frequently asked

Questions people ask before choosing L2 chains

What is the safest Ethereum Layer-2?

Safety on an L2 is whether you can leave with your funds. We score it from five L2BEAT risk entries, read and dated: the rollup stage, the proof system that lets Ethereum reject an invalid state, the exit window before an upgrade takes effect, whether withdrawals keep working if the operator stops proposing, and whether you can force a transaction in if the sequencer censors you. Together they carry 66 of 100 points; EVM equivalence, maturity and Ethereum data availability carry the rest. A stage L2BEAT marks Under review is not re-scored until it is resolved, and live gas is feed-pending, never estimated.

Why is gas cost not in the ranking?

Live L2 gas changes constantly, so we mark it feed-pending rather than show a stale number, and we rank on permanent architecture — the facts that actually decide L2 security and portability. Live TVL is now shown for context (DefiLlama, dated) but stays out of the ranking, because TVL measures adoption, not those permanent facts. A live gas-fee feed is the planned next addition.

Optimistic or ZK rollup — which should I pick?

ZK rollups prove each batch with validity proofs, so withdrawals to L1 finalise faster; Optimistic rollups rely on a challenge window (often around seven days) but currently host the deepest L2 DeFi. If fast, trust-minimised L1 exit matters most, lean ZK; if liquidity and ecosystem depth matter most today, Optimistic chains lead.

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Best picks

Best L2 blockchains in 2026

The best Layer-2 starts with whether you can leave with your funds without anyone's permission: L2BEAT records which chains let anyone propose state if the operator stops, which run a working proof system, and how far each has removed its training wheels. After that, EVM-equivalent chains run existing contracts unchanged, longer-lived chains are more battle-tested, and Ethereum-DA chains inherit L1 data security. A ZK rollup finalises to L1 faster and an optimistic rollup uses a challenge window; that tradeoff tailors your shortlist but is not scored. Pick on your priority, not on a headline gas number.

Best overall

Arbitrum One

Optimistic rollup with full EVM-equivalence, settling to Ethereum

Data checked Oct 2026

Best for: EVM equivalence — 10/10

Browse this network

Written and reviewed by Mathias Siemonsmeier Founder

Not financial advice · For informational purposes only · Always do your own research

Layer-2 Blockchains

Your setup

15 providers match your requirements

Why it leads

Estimated cost for you

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Proof system

Exit window

Forced withdrawals

Censorship resistance

EVM equivalence

Track record

Data on Ethereum

Rollup stage

All 8 published criteria

How this ranking works

What is the best layer-2 blockchain in 2026?

FAQs

Still unsure? Get your best L2 chains pick

Best L2 blockchains in 2026