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Best crypto rollup-as-a-service in France

#1 for FranceKarnot79 out of 100 ChainChoice Score
Audit receipt#cc-FR-RAS-2026.09-51ab75b6 Methodology §3affiliate economics did not influence this ranking

Karnot ranks highest in ChainChoice’s published rollup-as-a-service ranking among the providers that list France. Flat 30% capital gains rate for occasional sellers — predictable, but record-keeping on every disposal is required.

RegulatorAMFAutorité des Marchés Financiers (AMF) · Financial Markets Authority
Currency€ EUREuro
Payment railsSEPASEPA Instant · Cartes Bancaires
MiCA statusAppliesCASP licensing required
Reviewed
Re-read due since The published cadence is 45 days; this page's next read was due on 9 November 2026.
Published Methodology 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

Which crypto rollup-as-a-service provider should France residents use in November 2026?

Karnot ranks highest in ChainChoice’s published rollup-as-a-service ranking among the providers that list France. The order is the published ranking itself; providers whose terms exclude France are removed. Check authorisation with AMF before depositing.

Right fit for this list
  • France residents holding capital in EUR
  • Users who need AMF-aligned compliance and audit-grade reporting
  • Buy-and-hold profiles benefiting from France's tax treatment
  • Sophisticated retail and family-office treasurers
Wrong fit — look elsewhere
  • Derivatives / perpetuals traders (use a regulated futures venue instead)
  • Privacy-focused users avoiding KYC (these are licensed venues)
  • Day-traders chasing the lowest spreads regardless of regulator posture
  • Anyone needing a service AMF does not currently authorise

General guidance for France: the ranking engine does not compute these notes and they do not change the order below. If none fits you, answer the Find My Best questions for a result for your profile.

8 rollup-as-a-service listed for France

In ChainChoice’s published ranking order, from this category’s 8 providers: those whose terms exclude France are removed; naming France or a region that covers it counts the same, and those whose terms do not state it come last. Each chip names the basis: a dated check, a region listing, or the provider's own claim.

  1. #1 for FranceKarnot#1 globallyProvider states broad availability

    Starknet appchains on the Madara sequencer stack, with a published monthly mainnet price

    A price you can act on before you talk to sales — 9/10Who can change your chain — 7/10
    Broad availabilityprovider-stated, not checked by us

    Karnot · karnot.xyz.

  2. #2 for FranceConduit#2 globallyProvider states broad availability

    Managed OP Stack, Arbitrum Orbit and Agglayer CDK chains with RPC and indexing sold separately

    The documented way out — 9/10Independently counted live chains — 8/10
    Broad availabilityprovider-stated, not checked by us

    Conduit · conduit.xyz.

  3. #3 for FranceAlchemy Rollups#3 globallyProvider states broad availability

    OP Stack, Arbitrum Orbit and ZK Stack chains sold alongside Alchemy's node and account-abstraction stack

    Independently counted live chains — 6/10Who can change your chain — 3/10
    Broad availabilityprovider-stated, not checked by us

    Alchemy Rollups · alchemy.com.

  4. #4 for FranceZeeve#4 globallyProvider states broad availability

    Compliance-oriented managed rollups on Arbitrum Orbit, Agglayer CDK and ZK Stack, with certification claims

    Who can change your chain — 6/10The documented way out — 3/10
    Broad availabilityprovider-stated, not checked by us

    Zeeve · zeeve.io.

  5. #5 for FranceCaldera#5 globallyProvider states broad availability

    Managed OP Stack, Arbitrum Nitro and ZK Stack chains plus the Metalayer interop network

    Who can change your chain — 4/10Independently counted live chains — 3/10
    Broad availabilityprovider-stated, not checked by us

    Caldera · caldera.xyz.

  6. #6 for FranceAltLayer#6 globallyProvider states broad availability

    OP Stack, Arbitrum Orbit and ZK Stack rollups plus restaked-rollup AVS services

    The documented way out — 3/10Independently counted live chains — 3/10
    Broad availabilityprovider-stated, not checked by us

    AltLayer · altlayer.io.

  7. #7 for FranceGelato RaaS#7 globallyProvider states broad availability

    Managed OP Stack, Arbitrum Orbit and ABC Stack chains bundled with paymaster, bundler and RPC services

    Who can change your chain — 3/10Independently counted live chains — 2/10
    Broad availabilityprovider-stated, not checked by us

    Gelato RaaS · gelato.cloud.

  8. #8 for FranceAnkr RaaS#8 globallyProvider states broad availability

    No-code rollup deployment bundled with Ankr's RPC network; no independently tracked production chain

    Who can change your chain — 2/10A price you can act on before you talk to sales — 1/10
    Broad availabilityprovider-stated, not checked by us

    Ankr RaaS · ankr.com.

Commission: None of these providers pays ChainChoice anything for these links. Disclosure

Provider links appear once we know which country you are browsing from: ChainChoice links to providers only where it serves in full.

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

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 Who can change your chain · 35% (Karnot 7/10, Conduit 2/10, Alchemy Rollups 3/10)
  • Exit failure: you cannot get out at par, on time, or with what is yours.
    Scored by The documented way out · 20% (Karnot 4/10, Conduit 9/10, Alchemy Rollups 3/10)
  • Information failure: the number is wrong or bought, or your data leaks.
    Scored by Independently counted live chains · 20% (Karnot 4/10, Conduit 8/10, Alchemy Rollups 6/10)
Not assessed by this ranking: Liveness 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: A price you can act on before you talk to sales (25%).

Each cell is verified against the provider's filings or the AMF register; a gap shows "—", never an estimate.

Fee, KYC, rails and licence by provider in France
ProviderTaker fee in FranceKYC tierEUR railsAMF license
#1Karnot————
#2Conduit————
#3Alchemy Rollups————
#4Zeeve————
#5Caldera————

Source: ChainChoice provider catalog cross-referenced with the AMF register; each fee as of its entry's latest verification (accuracy methodology).

Is using a crypto rollup-as-a-service provider legal in France?

Yes. France regulates crypto-asset service providers under MiCA (EU Regulation 2023/1114), enforced from 30 December 2024. AMF oversees rollup-as-a-service operating in France; only providers authorised under MiCA may serve retail clients. Verify any provider against ESMA’s interim MiCA register.

How is crypto taxed in France?

Capital gains on crypto are taxed at a flat 30% (12.8% income + 17.2% social charges) for occasional sellers. Professional traders face progressive income tax rates. Editorial summary, not tax advice: consult a qualified tax advisor in France before filing.

What payment methods work for buying crypto in France?

The most common rails for retail onramps in France are: SEPA, SEPA Instant, Cartes Bancaires.

Are international platforms (Coinbase, Kraken, Binance) available in France?

Coinbase and Kraken hold MiCA authorisation valid in France. Binance does not: no Binance entity is on ESMA's register (read 10 November 2026); every transitional period ended by 1 July 2026, so none covers it there.

Who supervises crypto services in France

  • AMF · Autorité des Marchés Financierslicenses or registers crypto services; conduct and client protectionRead on amf-france.org

Authorities read . Each source is re-read within 180 days, or the build fails.

Country data verifiednot publishedSourceAMF ↗Register ↗Methodology v2026.11.1
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