Best crypto account abstraction infra in Japan
Candide ranks highest in ChainChoice’s published account abstraction infra ranking among the providers that list Japan, level on published score and weighted total with Pimlico — the published tie-break puts it first — Safe-aligned bundler and paymaster. Among the highest crypto tax rates globally (up to 55%). Reform proposals to move to a flat 20% are pending.
Re-read due since
The published cadence is 45 days; this page's next read was due on 11 November 2026.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.
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Which crypto bundler and paymaster service should Japan residents use in November 2026?
Candide ranks highest in ChainChoice’s published account abstraction infra ranking among the providers that list Japan, level on published score and weighted total with Pimlico — the published tie-break puts it first — Safe-aligned bundler and paymaster. The order is the published ranking itself; providers whose terms exclude Japan are removed. Check authorisation with FSA before depositing.
- Japan residents holding capital in JPY
- Users who need FSA-aligned compliance and audit-grade reporting
- Buy-and-hold profiles benefiting from Japan's 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 FSA does not currently authorise
General guidance for Japan: 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 account abstraction infra listed for Japan
In ChainChoice’s published ranking order, from this category’s 8 providers: those whose terms exclude Japan are removed; naming Japan 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 JapanCandide#1 globallyProvider states broad availability Safe-aligned bundler and paymaster with a per-plan ladder, running the LGPL-3.0 Voltaire bundler.
Markup on sponsored gas — 9/10Exit path without the vendor — 9/10Published price per user operation — 8/10#2 for JapanPimlico#2 globallyProvider states broad availability ERC-4337 bundler and verifying paymaster sold on metered API credits, with the Alto bundler released under GPL-3.0.
Published price per user operation — 10/10Exit path without the vendor — 9/10#3 for JapanEtherspot (Skandha Bundler and Arka Paymaster)#3 globallyProvider states broad availability Prepaid-credit bundler and paymaster with both components released under MIT and gas billed at network cost.
Markup on sponsored gas — 10/10Published price per user operation — 8/10Exit path without the vendor — 8/10#4 for JapanAlchemy Smart Wallets (Gas Manager and Bundler APIs)#4 globallyProvider states broad availability Bundler and gas manager sold as compute units inside the general Alchemy node platform, running the Rust Rundler bundler.
Published price per user operation — 8/10Exit path without the vendor — 7/10#5 for JapanZeroDev#5 globallyProvider states broad availability Smart account platform with a bundler forked from Pimlico's Alto, owned by Offchain Labs since August 2025.
Published price per user operation — 7/10Markup on sponsored gas — 6/10#6 for Japanthirdweb Account Abstraction#6 globallyProvider states broad availability Bundler and paymaster bundled into a monthly developer platform plan with per-thousand-transaction sponsorship pricing.
Markup on sponsored gas — 8/10Published price per user operation — 7/10#7 for JapanCoinbase Developer Platform Paymaster#7 globallyProvider states broad availability Combined paymaster and bundler on a single endpoint, available on Base only.
Markup on sponsored gas — 6/10Published price per user operation — 3/10#8 for JapanBiconomy#8 globallyProvider states broad availability Cross-chain execution platform whose ERC-4337 bundler and paymaster are now wrapped in a quote-based Supertransaction API.
Exit path without the vendor — 4/10Verified mainnet chain coverage — 4/10
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.
- Exit failure: you cannot get out at par, on time, or with what is yours.Scored by Exit path without the vendor · 30% (Candide 9/10, Pimlico 9/10, Etherspot (Skandha Bundler and Arka Paymaster) 8/10)
Each cell is verified against the provider's filings or the FSA register; a gap shows "—", never an estimate.
| Provider | Taker fee in Japan | KYC tier | JPY rails | FSA license |
|---|---|---|---|---|
| #1Candide | — | — | — | — |
| #2Pimlico | — | — | — | — |
| #3Etherspot (Skandha Bundler and Arka Paymaster) | — | — | — | — |
| #4Alchemy Smart Wallets (Gas Manager and Bundler APIs) | — | — | — | — |
| #5ZeroDev | — | — | — | — |
Source: ChainChoice provider catalog cross-referenced with the FSA register; each fee as of its entry's latest verification (accuracy methodology).
Is using a crypto bundler and paymaster service legal in Japan?
Yes. Crypto account abstraction infra are regulated in Japan by Financial Services Agency (FSA). Always verify a platform's licensing status with FSA before transacting.
How is crypto taxed in Japan?
Crypto gains taxed as miscellaneous income at progressive rates up to 55% (national + local). Losses cannot offset other income categories. Editorial summary, not tax advice: consult a qualified tax advisor in Japan before filing.
What payment methods work for buying crypto in Japan?
The most common rails for retail onramps in Japan are: Wire, Convenience Store, Pay-easy.
Are international platforms (Coinbase, Kraken, Binance) available in Japan?
Availability varies by platform and product. Japan has its own licensing regime under FSA, and not every global platform is registered. The shortlist above removes platforms whose terms exclude Japan; the chip on each row says whether availability is verified, listed or unstated.