Bitflyer vs Coinjar: Fees, Security, Features & Which to Choose (2025)

Trying to choose between Bitflyer and Coinjar This side-by-side comparison reveals total cost (fees + spreads), security & licenses, coins/derivatives, deposits/withdrawals, and app quality. In 2 minutes you’ll see who wins for beginners, active traders, and long-term holders. Clear pros/cons, a quick verdict, and safe links to get started.

Last updated on August 16, 2025

Bitflyer

Coinjar

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Available Countries

United States

Yes

Europe

Yes

Latin America

India

China

Canada

United Kingdom

Yes

United States

Yes

Europe

Latin America

India

China

Canada

Yes

United Kingdom

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Bitflyer is ideal if:

Great for cautious starters – Offers a clean, beginner-friendly interface with strong regulation and security, especially suited if you value peace of mind and a guided experience.
Smart for professionals too – Its Lightning platform and API support advanced trading styles while remaining within a trusted, compliant ecosystem.
Best for mainstream assets – Focuses on the core major cryptocurrencies rather than obscure altcoins—ideal if you're after simplicity, not a sprawling asset list.

Coinjar is ideal if:

Best for beginners: Its intuitive interface and built-in wallet features make buying, holding, and sending crypto simple—even if you’re new to the space
Great mobile experience: The sleek iOS and Android apps let you manage crypto conveniently on the go, with dependable support and solid security
Option for power users: The CoinJar Exchange platform delivers advanced, customizable trading layouts and tools for those who need greater control

Bitflyer isn’t ideal if:

Not for altcoin hunters — Offers only a small selection of mainstream cryptocurrencies, limiting your options if you're looking to explore lesser-known tokens.
Limited advanced trading tools — Lacks robust derivatives, futures, lending, and staking features that active or margin traders often need.
Less competitive for cost-focused users — May involve higher spreads or fewer deposit options compared to more versatile, low-cost exchanges.

Coinjar isn’t ideal if:

Not for advanced traders: It lacks sophisticated tools like margin trading, futures, lending, or staking that power users often look for.
Limited crypto variety & regions: Offers fewer coin options and full functionality only in Australia and the UK, so global reach is constrained.
Suitable only for simpler needs: No demo accounts, investment advice, or educational overlays—so beginners seeking guided learning might not find that support.

Fees & Total Costs

Spot Maker/Take

On bitFlyer’s Lightning Spot, maker and taker fees decrease progressively as your 30-day trading volume grows—from about 0.10 % at lower volumes down to roughly 0.03 % for very high turnover, with potential bespoke discounts for particularly active users or sizeable trades.

CoinJar Exchange charges tiered maker/taker fees for fiat-to-crypto pairs—starting around 0.10% for both and reaching as low as approximately 0.02% maker / 0.06% taker at high volume—with zero maker fees on crypto-to-crypto and very low taker fees; there is no native-token discount system.

Futures/Derivatives

bitFlyer offers Bitcoin futures and crypto CFDs with margin, where trading fees fall in the same low double-digit-basis-point range, plus a funding cost applied at fixed intervals based on price divergence from spot—creating a small rollover cost for open positions.

CoinJar does not support futures or derivative trading, so there are no associated maker/taker or funding costs.

Average Spreads on Liquid Pairs

Spread information isn’t explicitly disclosed on bitFlyer, but based on its exchange design, liquid pairs typically carry modest spreads that are embedded in prices, especially via the Easy Exchange interface where the buy/sell price includes conversion margin rather than a separate fee.

Spreads aren’t published explicitly, but CoinJar Exchange advertises razor-thin spreads on liquid pairs backed by deep liquidity, catering especially to institutional traders.

Fiat Deposits & Withdrawals

methods, fees, timing

Fiat deposits and withdrawals via common routes (such as Faster Payments, SEPA, PayID) are typically free and fairly fast (ranging from minutes to a few business days), though wire transfers (especially USD via Fedwire) may incur a fixed fee (e.g., around USD 10/20) with processing times of several business days.

On-chain Withdrawals

fixed vs dynamic fees

External crypto withdrawals are charged a dynamic network fee, recalculated every ~15 minutes based on blockchain congestion and transaction size, differing per coin (e.g. BTC, ETH, TRX), rather than a flat fixed fee.

Hidden Costs

There are no apparent idle-account or express-KYC charges; however, minor implicit costs can stem from currency conversion spreads if you’re using a non-native fiat, and any third-party wire or bank fees—which vary regionally—can affect your overall cost.

CoinJar applies straightforward conversion fees (e.g., converting between fiat and crypto typically carries a flat 1%), and while there are no inactivity or express KYC fees, dispute or investigation requests can incur extra charges; currency conversion rates may also implicitly impact cost.

Real-World Cost Example: “€500 BTC

Buying €500 worth of BTC would entail a small embedded spread (via Easy Exchange) or low Lightning fee, plus the flat withdrawal charge (e.g., ~0.0004 BTC) if you choose to withdraw—resulting in a modest overall impact relative to the value but with no hidden or percentage-based surprises.

Suppose you use €500 to buy BTC

Crypto Offering & Trading Features

Number of Coins & Pairs

bitFlyer supports around 7–8 core cryptocurrencies with roughly 10–12 trading pairs, mainly focused on major assets like BTC, ETH, LTC, BCH, ETC, LSK, MONA, and a few fiat pairings—its offering remains intentionally compact.

CoinJar supports around 60 to 70 cryptocurrencies on the main platform, while the CoinJar Exchange offers roughly 380 to 390 trading pairs—many of which involve top-volume coins like BTC, ETH, ADA, DOT, LINK, SOL, and XRP depending on market dynamics.

Product Range

The platform offers spot trading, margin trading (up to around 2×–4× leverage depending on region), Bitcoin futures (derivatives), Ethereum staking (upcoming), and OTC for large volume trades—but lacks more exotic features like options, ETFs, lending, copy-trading, automated bots, or full DCA tools.

CoinJar provides spot trading, recurring buys (DCA), and thematic crypto bundles, plus a crypto-linked Mastercard; however, it does not support derivatives like margin, futures, options, ETFs, copy trading, grid bots, or lending—staking isn’t yet officially offered via the platform.

Liquidity

bitFlyer handles daily trading volumes in the low-hundreds of millions USD (with top pairs like BTC/JPY and ETH/JPY dominating), while its order book depth on main pairs remains modest compared with major global exchanges—sufficient for moderate trades but not for ultra-large orders.

CoinJar Exchange handles moderate daily trading volume in the low-millions of USD, and touts “ultra-deep liquidity” and a low-latency matching engine for its top pairs, ensuring narrow spreads and reliable order execution.

Tools

Advanced users benefit from a Lightning platform offering standard order types (limit, stop), custom alerts, charting, API and WebSocket access, and a native professional interface—but there’s no built-in TradingView integration or OCO orders.

The platform supports standard order types—limit, market, stop, and OCO-style (time-enforced)—alongside customizable dashboards with chart overlays; it also offers documented APIs and WebSocket feeds for integration, though there’s no built-in TradingView interface.

Geographic Restrictions by Product

Derivatives and margin capabilities vary by region, with limited pairs available in the U.S. (e.g., BTC/USD, ETH/USD, BCH/BTC) and broader altcoin access in Europe and Japan, reflecting regulatory constraints across jurisdictions.

CoinJar’s advanced trading tools (like CoinJar Exchange) are fully available only in supported jurisdictions (e.g. Australia, UK, select European countries), while derivative products are not offered anywhere—restricting professionals to spot and bundle offerings.

Innovation

Recent enhancements include ETH staking (pending launch) and ongoing CFD asset expansions. However, bitFlyer does not currently offer launchpads, flexible vs locked Earn products, or structured innovative financial instruments.

CoinJar continues innovating with features like auto-DCA via recurring buys and themed crypto bundles, but does not currently offer offerings such as launchpads, launchpools, or both flexible and locked earn programs.

Security, Regulation & Custody

Operating Entity & Jurisdiction

bitFlyer, Inc. was founded in 2014 and is based in Tokyo, Japan; it has extended operations internationally through regulated subsidiaries such as bitFlyer Europe to serve multiple regions globally.

CoinJar was founded in 2013 in Melbourne, Australia, and operates under CoinJar Australia Pty Ltd; it also maintains a registered presence in the UK through its London-based subsidiary.

Licenses/Registration

It holds Virtual Asset Exchange licensing under Japan’s FSA, and its European arm is a fully regulated payment institution in Luxembourg, holds the first VASP registration there, and undergoes annual audits by a Big Four firm.

CoinJar is officially registered with AUSTRAC in Australia and is also recognized by the UK’s Financial Conduct Authority as both a Cryptoasset Exchange Provider and Custodian Wallet Provider.

Custody

Customer assets are stored offline in proprietary cold wallets (often over 80–100%), with multilayer physical security; while specific Proof of Reserves disclosure isn’t public, financial statements undergo external audit and assets are held separately from company funds.

Customer assets are held via trusted third-party custodians (BitGo and Fireblocks), with over 90% stored in cold, multi-sig or MPC wallets; CoinJar maintains full backing of customer balances and undergoes regular security audits.

Insurance & Protection Funds

There’s coverage for unauthorized withdrawal via encrypted authentication and secure wallet infrastructure, but no widely advertised comprehensive insurance fund for hacks or exchange-level failures.

Institutional-level custody solutions include optional insurance coverage up to US $250 million for eligible clients; retail customer protection is built through secure infrastructure and audit readiness.

Incident History

Apart from regulatory enforcement fines (e.g., levied by New York DFS), bitFlyer does not have public records of hacks or fund losses, reflecting a clean operational history with no major security breaches or customer fund suspensions.

CoinJar has a strong safety track record with no known major hacks, system-wide suspensions, or regulatory fines, and has provided uninterrupted service since its founding.

Risk Controls

The platform enforces strong password policies, two-factor authentication, account lockouts, encryption, and segregates client and company funds; features such as whitelists, sub-accounts, anti-phishing, and granular API permissions enhance security.

The platform enforces robust security measures—mandatory 2FA, machine-learning based fraud detection, whitelists for trusted devices, encrypted API access with granular permission settings, and anti-phishing safeguards.

Transparency

While bitFlyer doesn’t publish monthly reserve reports or wallet addresses, it provides audited compliance, segregated custodian practices, encryption standards transparency, and maintains clear regulatory and operational SLAs via its regional legal frameworks.

CoinJar offers real-time system status updates, maintains customer-friendly incident reporting, and operates with clear internal infrastructure processes—but does not publish public wallet addresses or monthly reserve reports.

Deposits, Withdrawals, KYC & Support

Fiat Deposit Methods

Bank transfers (like SEPA, ACH, Fedwire) are available (sometimes free), with PayPal accepted in Europe; credit/debit card options depend on region, and deposit limits lift with full Trade Pro verification, while processing ranges from instant (cards) to 1–3 business days (bank transfers).

CoinJar accepts deposits via bank transfer (wire in the US, PayID, FPS, or SEPA in supported regions), credit/debit card in some countries, and e-wallets where enabled; minimums and maximums vary by region and identity-verified status, and processing times range from near-instant (e.g. PayID, Faster Payments) to a few business days for standard transfers.

Supported Fiat Currencies & Conversion

KYC (Verification Levels)

Accounts start at a basic (Standby) level with entry-only access, upgrade to Trade Class to deposit and trade within limits, and finally Trade Pro unlocks unrestricted activity—requiring progressively more ID documentation during verification.

Accounts must complete identity verification to unlock any transaction limits; before verification, deposit, withdrawal, and trading capabilities are restricted to zero, while verified accounts gain rolling daily and monthly limits tailored to their region.

Withdrawals

Crypto withdrawals have fixed minimums (e.g., 0.001 BTC plus fee), fiat withdrawals via bank take about 1–3 business days, and supported networks include the standard ones like BTC and ETH—no TRC20/BEP20 options mentioned.

Crypto withdrawals are subject to dynamic network fees varying by blockchain; withdrawal limits and processing speeds align with verification status, and supported networks align with each coin (e.g., ERC-20, TRC-20) as shown post-login under account limits.

Customer Support

Support is accessible via email and contact form (weekdays during business hours), with response typically within that timeframe; a FAQ/help center exists, but there’s no live 24/7 chat available.

CoinJar provides support via email and a detailed self-help knowledge base, with availability during extended hours (typically local business hours into late evening), and generally responds within a business day—no 24/7 live chat, but clear help articles for common questions.

Languages & Localization

The platform offers native-level English (and other EU languages like French); pricing and fees are shown in local fiat (€/USD/JPY), with region-specific regulatory compliance embedded per locale.

The platform operates in English (with localized versions like US, UK, AU), displays fees in local fiat (e.g. EUR, USD, GBP), and tailors regulatory compliance messaging according to jurisdictions.

App Quality & Stability

The mobile app supports core functions, is generally stable, though users report some limitations in advanced trading features, occasional minor bugs, and mixed ratings—recent updates aim to improve usability and reliability.

The CoinJar mobile app is stable and regularly updated across iOS and Android, with few reported crashes; although exact crash rates aren’t published, user feedback indicates a smooth experience and frequent updates for performance and UI enhancements.

Experience, Performance & Ecosystem

UX/UI

bitFlyer strikes a balance between accessibility and power—casual users will find the Lite interface intuitive with a gentle learning curve, while experienced traders can switch to a Pro mode that offers deeper functionality without overwhelming novice users.

CoinJar offers a polished and intuitive interface that scales from beginner to professional use—while there’s no formal “Lite/Pro” toggle, the platform’s clean design adapts seamlessly from simple recurring buys to a fully customizable trading dashboard tailored for advanced users.

Performance

Order execution is generally responsive during normal conditions, but like many exchanges, there can be brief latency or slight slowdown during high-volatility spikes; KYC queues may also lengthen during strong bull runs, potentially delaying onboarding.

The platform’s upgraded matching engine ensures swift order execution and noticeably smoother performance during volatile periods, without documented service interruptions or KYC backlog issues—even during high-traffic bull markets.

Education

The bitFlyer Academy provides beginner-friendly articles and guides to help users understand crypto fundamentals, though there’s no live demo or simulator, and educational content in languages other than English is limited.

CoinJar does not currently offer a dedicated academy, trading simulator, or demo mode, and educational materials remain primarily in English—Spanish-language support and interactive learning tools are not yet incorporated.

Community

bitFlyer maintains an official help center and blog for updates, but lacks public community forums like Discord or Telegram; it does offer a referral program to incentivize bringing new users—but no broad peer-to-peer community space is currently provided.

While CoinJar lacks public forums or an official Discord/Telegram community, it does support engagement through its blog, in-app news feed, and a referral program that encourages users to invite friends—though direct peer-to-peer community hubs are limited.

Integrations

The platform supports API and WebSocket access for automated trading, yet does not offer native TradingView charts, external bot marketplaces, or integrated tax/accounting tools—so users typically rely on external systems for advanced analytics or bookkeeping.

The mobile app now features integrated TradingView charts for enhanced technical analysis; additionally, CoinJar supports external tax and portfolio tools like CoinTracker, Koinly, and CryptoTaxCalculator via API or CSV integration—but there’s no formal marketplace for trading bots or accounting plugins.

Who Each One Is Best For

bitFlyer is ideal for traders who want a secure, regulated platform with a choice between streamlined and professional UIs, while those who prefer community-driven tools, extensive integrations, or a learning sandbox may find more options on other platforms.

CoinJar excels for casual investors and beginners who appreciate recurring buys, clean design, and mobile-friendly tools, while also meeting the needs of intermediate traders through its adjustable interface and integrated charting—though it may feel limited to users seeking demo accounts, Spanish-based learning, or vibrant community forums.