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

Trying to choose between Bitflyer and Ascendex 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

Ascendex

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Available Countries

United States

Yes

Europe

Yes

Latin America

India

China

Canada

United Kingdom

Yes

United States

Yes

Europe

Yes

Latin America

Yes

India

China

Yes

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.

Ascendex is ideal if:

Versatile trader tools – Offers both beginner-friendly and pro-grade interfaces for spot, margin, futures, staking, copy trading, and yield farming.
Passive-earning focus – Multiple earning paths available (staking, DeFi yield, OTC, Invest programs), ideal if you want crypto to work for you passively.
Robust performance engine – High-throughput tech, advanced analytics, and mobile support make it ideal for active or institutional traders needing speed and reliability.

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.

Ascendex isn’t ideal if:

Regulatory uncertainty – Lacks formal licensing in many regions, meaning oversight and user protections may be limited.
Customer service concerns – Some users report slow or unhelpful support, particularly for withdrawals or issue resolution.
Past security breach – A significant hack occurred, which may worry users who prioritize platforms with a flawless security record.

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.

Spot trading fees follow a tiered VIP structure based on your 30-day trade volume and holdings of the native ASD token; larger volume or ASD holdings unlock lower maker and taker rates, especially for major market-cap pairs.

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.

Futures (perpetual) trading uses its own VIP-based fee tiers—maker fees can be as low as around 0.02%, takers around 0.05%—and funding payments occur every eight hours to align perpetual contract prices with spot.

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.

Liquid pairs like BTC/USDT and ETH/USDT exhibit tight spreads thanks to deep order books and efficient matching, making execution cost minimal beyond standard fees.

Fiat Deposits & Withdrawals

methods, fees, timing

You can fund via credit/debit card or bank transfers through third-party processors; while deposits are quick, they may include a dynamic processing fee; withdrawal options and speeds depend on your local banking rails and chosen method.

On-chain Withdrawals

fixed vs dynamic fees

BTC, ETH, TRX, etc.)

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.

Implicit costs may arise from conversion markups when buying crypto with fiat, inactivity penalties, or optional fast-track identity verification services, so even if explicit fees are low, these can add to your total 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.

When you convert €500 into BTC, costs include the processing spread from fiat to crypto, the trading fee on your spot purchase, and any withdrawal network fee—so the net BTC received will be noticeably less than the €500 equivalent due to layered transaction components.

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.

AscendEX supports over 200 to 300 cryptocurrencies across more than 200 trading pairs, with the most liquid top 20 pairs typically dominated by BTC, ETH, USDT, and popular large-cap and DeFi tokens if ranked by volume.

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.

The platform offers spot, margin, and perpetual futures, flexible staking and yield programs, copy-trading for futures, and supports automated strategies such as grid bots and DCA through its API and third-party tools—though options and crypto ETFs are not part of the current offering.

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.

With a reported 24-hour trading volume ranging from hundreds of millions to a couple of billion dollars, BTC/USDT and ETH/USDT markets offer strong depth and tight order books, enabling efficient execution even for substantial orders.

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.

AscendEX features a full suite of order types (limit, market, stop, OCO), advanced charting with customizable indicators, real-time alerts, and robust API/WebSocket access—although it relies on its proprietary charting tools rather than native TradingView integration.

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.

Certain regions face limitations such as no access to futures or derivatives features—specifically, users in jurisdictions like the United States and China are restricted from using these products due to compliance considerations.

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.

AscendEX delivers early access to new token projects via its launchpool platform, and its Earn suite includes both flexible staking options—as well as programs with lock-up periods—giving users choice in how they deploy assets to generate yield.

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.

AscendEX operates under AscendEX Technology S.R.L., legally established in Romania, while the broader group includes BMXDM Technology Pte. Ltd. founded in 2018, with headquarters primarily in Singapore.

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.

The platform adheres to AML/CTF regulations where required, but does not currently hold formal regulatory licenses such as VASP in most jurisdictions nor EU MiCA authorization.

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.

Users’ crypto assets are stored primarily in cold, offline wallets managed directly by AscendEX, supported by a defense-in-depth security model; there’s no publicly disclosed proof-of-reserves audit or specific percentage of assets held in cold storage.

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.

AscendEX maintains an internal insurance fund drawn from its own balance sheet to cover potential losses in the event of security incidents.

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.

In December 2021, AscendEX suffered a hot-wallet exploit across several blockchains, but fully reimbursed all impacted users and rebuilt its infrastructure with stronger safeguards.

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 supports two-factor authentication, device monitoring, anti-phishing alerts, and offers API access with control options and sub-account structuring to help manage risk.

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.

While offering real-time monitoring and reporting tools, AscendEX does not publish monthly reserve statements, public wallet addresses, or formal service-level agreements.

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).

AscendEX supports depositing fiat through third-party providers such as Simplex, MoonPay, Mercuryo, and Banxa via card or bank transfer, offering fast funding for multiple regions, with specific minimums and maximums varying per provider and region.

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.

AscendEX requires identity verification for full platform access; unverified accounts face strict withdrawal caps (such as 0.75 BTC daily), while verified users enjoy much higher limits, with further tiered levels unlocking even greater flexibility.

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.

Withdrawal limits depend on KYC status—unverified accounts are capped at around 0.75 BTC per day, verified users far higher—and users can withdraw via multiple networks (ERC-20, TRC-20, BEP-20, etc.), with processing speed tied to blockchain congestion.

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.

AscendEX offers round-the-clock support via live chat and email, with a comprehensive help center available for self-service; response times generally fall within reasonable hours though may vary based on query complexity.

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 interface supports multiple languages including English, and displays prices in common currencies like EUR and USD; it also tailors functionality—and availability—to comply with regional regulations.

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 AscendEX mobile and desktop apps deliver a polished and responsive experience, receiving regular updates to bolster stability and features, with no widespread reports of performance or crash issues among users.

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.

The platform provides both a streamlined “Lite” interface optimized for newcomers and a feature-rich “Pro” mode tailored for experienced traders, offering intuitive navigation while allowing users to progress as their skills evolve.

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.

Order execution is generally fast and stable, though sharp market spikes can occasionally lead to slight delays; during bull runs, KYC processing times may lengthen, though the platform scales verification capacity to mitigate backlogs.

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.

AscendEX hosts an educational hub with articles, investment lessons, and futures tutorials, but it does not currently offer demo trading accounts or Spanish-specific learning modules.

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.

Users can connect via numerous official Telegram channels across multiple languages and leverage an active referral program that rewards users for inviting others to the platform.

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 exchange offers native TradingView charts and robust API access, enabling integration with third-party bots and tax/accounting tools like CryptoTaxCalculator for portfolio tracking and reporting.

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.

Beginners benefit from the Lite mode and educational resources, active/pro traders gain from the advanced order tools and integrations, and those focused on passive strategies can leverage the automated tools and referral rewards.