Best crypto L2 blockchains in the United States
Arbitrum One ranks highest in ChainChoice’s published L2 blockchains ranking among the providers that list the United States — Optimistic rollup. Fragmented regulation: SEC for securities-like tokens, CFTC for commodities, state-level money-transmitter licensing on top.
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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.
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Which crypto layer-2 blockchain should United States residents use in November 2026?
Arbitrum One ranks highest in ChainChoice’s published L2 blockchains ranking among the providers that list the United States — Optimistic rollup. The order is the published ranking itself; providers whose terms exclude the United States are removed. Check authorisation with the state licence records on NMLS Consumer Access and, for New York, the NYDFS register before depositing.
- United States residents holding capital in USD
- Users who need SEC/CFTC-aligned compliance and audit-grade reporting
- Buy-and-hold profiles benefiting from the United States' tax treatment
- Sophisticated retail and family-office treasurers
- 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 SEC/CFTC does not currently authorise
General guidance for the United States: 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.
13 L2 blockchains listed for the United States
In ChainChoice’s published ranking order, from this category’s 15 providers: those whose terms exclude the United States are removed; naming the United States 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 for the United StatesArbitrum One#1 globallyLists United States; the United States not individually verified Optimistic rollup with full EVM-equivalence, settling to Ethereum
EVM equivalence — 10/10Maturity & track record — 10/10Ethereum data availability — 10/10#2 for the United StatesOP Mainnet#2 globallyLists United States; the United States not individually verified The original OP Stack optimistic rollup, EVM-equivalent
EVM equivalence — 10/10Maturity & track record — 10/10Ethereum data availability — 10/10#3 for the United StatesBase#3 globallyLists United States; the United States not individually verified Coinbase-built OP Stack rollup, EVM-equivalent, no native token
EVM equivalence — 10/10Ethereum data availability — 10/10Proof system — 10/10#4 for the United StatesInk#4 globallyLists United States; the United States not individually verified Kraken's OP Stack rollup for DeFi, at L2BEAT Stage 1
EVM equivalence — 10/10Ethereum data availability — 10/10Proof system — 10/10#5 for the United StatesUnichain#5 globallyLists United States; the United States not individually verified Uniswap Labs' DeFi-native OP Stack optimistic rollup, EVM-equivalent
EVM equivalence — 10/10Ethereum data availability — 10/10Proof system — 10/10#6 for the United StatesArbitrum Nova#6 globallyLists United States; the United States not individually verified Arbitrum's minimised Nitro chain: maintenance-only, with data on Ethereum since 31 August 2026
EVM equivalence — 10/10Ethereum data availability — 10/10Withdrawals if the operator stops — 10/10#7 for the United StatesScroll#7 globallyLists United States; the United States not individually verified ZK rollup where anyone can propose state if the operator stops; EVM-compatible
Ethereum data availability — 10/10Proof system — 10/10Withdrawals if the operator stops — 10/10#8 for the United StatesStarknet#8 globallyLists United States; the United States not individually verified ZK rollup on the Cairo VM (non-EVM), with STARK validity proofs
Proof system — 10/10Ethereum data availability — 9/10Maturity & track record — 8/10#9 for the United StateszkSync Era#9 globallyLists United States; the United States not individually verified ZK rollup with validity proofs; EVM-compatible via an LLVM zkEVM
Proof system — 10/10Ethereum data availability — 9/10#10 for the United StatesMantle#10 globallyLists United States; the United States not individually verified Modular Ethereum L2, now a ZK validity rollup, with MNT as the gas token
Ethereum data availability — 10/10Proof system — 10/10Transactions if the sequencer censors you — 10/10
Commission: None of these providers pays ChainChoice anything for these links. Disclosure
No referral fee in your country: this link opens the provider’s own site.
Crypto products are high risk. Check the provider is authorised where you live before you deposit.
- 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)
Each cell is from the provider's own pages. ChainChoice does not read the state licence records on NMLS Consumer Access, and of the state registers reads only New York's (NYDFS); a gap shows "—", never an estimate.
| Provider | Taker fee in the United States | KYC tier | USD rails | State licence |
|---|---|---|---|---|
| #1Arbitrum One | — | — | — | — |
| #2OP Mainnet | — | — | — | — |
| #3Base | — | — | — | — |
| #4Ink | — | — | — | — |
| #5Unichain | — | — | — | — |
Source: ChainChoice provider catalog, from the providers' own pages; state licences on NMLS Consumer Access are not read here; each fee as of its entry's latest verification (accuracy methodology).
Is using a crypto layer-2 blockchain legal in the United States?
Yes. Crypto L2 blockchains are regulated in the United States by Securities and Exchange Commission (SEC) + Commodity Futures Trading Commission (CFTC) + state regulators. Always verify a platform's licensing status with the state licence records on NMLS Consumer Access and, for New York, the NYDFS register before transacting.
How is crypto taxed in the United States?
Short-term gains (≤1y) taxed at ordinary income rates (10-37%). Long-term gains (>1y) taxed at 0%, 15%, or 20% depending on income. IRS Form 1099-DA reporting from 2026. Editorial summary, not tax advice: consult a qualified tax advisor in the United States before filing.
What payment methods work for buying crypto in the United States?
The most common rails for retail onramps in the United States are: ACH, Wire, Debit Card, Apple Pay.
Are international platforms (Coinbase, Kraken, Binance) available in the United States?
Availability varies by platform and product. The United States has its own licensing regime under state money-transmitter licences and, in New York, a BitLicense or trust charter from NYDFS, and not every global platform is registered. The shortlist above removes platforms whose terms exclude the United States; the chip on each row says whether availability is verified, listed or unstated.