Cex.Io vs Bithumb: Fees, Security, Features & Which to Choose (2025)

Trying to choose between Cex.Io and Bithumb 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

Cex.Io

Bithumb

⚠️ We look for what’s best for you.

₿ Getting into crypto? With eToro you can start in minutes: buy/sell top coins, set recurring buys, track markets, and use Social/CopyTrader features.

👉 Start here and explore the crypto offer.

Available Countries

United States

Yes

Europe

Yes

Latin America

Yes

India

Yes

China

Yes

Canada

United Kingdom

Yes

United States

Yes

Europe

Yes

Latin America

Yes

India

Yes

China

Canada

Yes

United Kingdom

Thinking about starting with crypto? This is for you.

In select regions, eToro offers a $10 welcome bonus when you open an account today.*

🎯 An account built to help you start with crypto—without the hassle.

➕ Buy and sell top cryptocurrencies in minutes

➕ Recurring buys, price alerts, and advanced charts

➕ Social/CopyTrader™ to follow experienced investors

➕ One of the largest and most trusted platforms worldwide

Limited-time promotion — still available.

*Offer subject to terms, eligibility and regional availability. Don’t invest unless you’re prepared to lose all the money you invest.

Cex.Io is ideal if:

Great for beginners seeking simplicity: Offers intuitive fiat-to-crypto access and easy navigation, making first-time buying or selling smooth and straightforward.
Useful for users valuing regulatory compliance: Holds multiple licenses and registrations, which adds credibility and reassurance for those prioritizing security.
Suited to flexible and evolving needs: Includes features like staking, margin options, and mobile trading—helpful as your crypto journey grows.

Bithumb is ideal if:

Perfect for KRW-centric traders: If you prefer trading with South Korean Won as your base currency, Bithumb offers seamless fiat integration, high liquidity, and a smooth experience for KRW-based spot trading.
Great for beginners and hands-off traders: Its clear, user-friendly interface plus built-in features like staking and bot trading make it accessible and appealing to those starting out or seeking passive strategies.
Best for users prioritizing credibility and safety: With strong security certifications (like ISMS, ISO27001), full separation of client assets, and external audits, Bithumb focuses on institutional-level protection and transparency.

Cex.Io isn’t ideal if:

Not suited for fee-sensitive traders: Deposit and withdrawal costs—especially from credit cards or SWIFT transfers—can be on the higher side.
Less ideal for altcoin hunters: Coin selection is solid for mainstream assets but may feel restrictive for those seeking niche or emerging tokens.
Not optimized for advanced traders: Lacks advanced order types and demo environments, and interface may feel cluttered during complex trading sessions.

Bithumb isn’t ideal if:

You need global fiat flexibility: If you want to deposit with non-KRW currencies, Bithumb’s fiat support is limited, which may not suit you.
You're an advanced trader seeking leverage: Those looking for margin or futures trading won’t find these tools available on Bithumb.
You prefer seamless international onboarding: Verification hurdles, language barriers, and slow KYC in non-Korean languages can slow down global users.

Fees & Total Costs

Spot Maker/Take

CEX.IO’s spot trading fees begin at 0.25% for taker orders and 0.15% for maker orders, and progressively decrease as your 30-day trading volume rises—reaching lower bands (like around 0.10%) at higher volumes, with no discounts tied to a native token.

In KRW markets, maker and taker fees typically range from roughly 0.04% to 0.25%, with better rates unlocked through tiered trading coupons based on volume (discounts apply via native coupons, not necessarily token-based discounts).

Futures/Derivatives

CEX.IO separates its derivatives platform from spot trading and applies different fee structures, but publicly available information on specific maker, taker, or funding rates is limited (often requiring account access or direct inquiry for clarity).

Bithumb does not currently offer any futures or derivatives markets, so there are no associated maker, taker, or funding fees to consider.

Average Spreads on Liquid Pairs

Spreads for major pairs like BTC/USDT and ETH/USDT on CEX.IO are generally tight and in line with competitive market norms, helping ensure that trading costs remain low for highly liquid assets.

Precise spread data is not publicly provided, but given Bithumb’s strong liquidity in major markets, spreads on BTC/USDT and ETH/USDT pairs are generally tight—typically consistent with reputable high-volume exchanges.

Fiat Deposits & Withdrawals

You can fund your account using various options—credit/debit cards, bank transfers (SEPA, SWIFT, ACH), digital wallets, and alternative services—with timing and fees varying by method and region, and listed transparently during transaction setup.

Fiat operations center on KRW only, with deposits via bank transfer or card usually fee-free (unless below minimum thresholds) and withdrawals processed via Korean banking channels with typical processing times, without showing fixed fees.

On-chain Withdrawals

On-chain withdrawal fees differ depending on the blockchain (BTC, ETH, TRX, etc.) and are dynamically adjusted based on network conditions, rather than using a one-size-fits-all flat fee.

Withdrawal costs depend on the blockchain

Hidden Costs

Beyond trading and transfer fees, there may be extra charges lurking in currency conversion margins, inactivity fees, or expedited KYC processing—but these are typically disclosed at the relevant step, not built into everyday trading.

Some indirect costs may arise from currency conversion if funding in non-KRW, and there are no inactivity fees; extra-fast verification services may not be standard or may carry internal pricing, though not explicitly detailed.

Real-World Cost Example: “€500 BTC

If you were to convert €500 into BTC, your total cost would combine the spot maker/taker fee, the market spread, and any withdrawal or conversion fee—resulting in a composite cost slightly above the raw crypto amount, depending on your payment method and network chosen.

If you were to buy €500 worth of BTC, you’d first face a regular spot trading fee (within 0.04–0.25%) plus a small spread in execution, then a withdrawal fee in BTC (e.g., 0.0005 BTC)—that combined cost reflects the total out-of-pocket expense.

Crypto Offering & Trading Features

Number of Coins & Pairs

CEX.IO currently lists around 280 cryptocurrencies across approximately 829 trading pairs, with its highest-volume pairs including BTC/USD, ETH/USDT, ETH/USD, XRP/USD, LINK/USD—forming the bulk of daily activity.

Bithumb lists approximately 170–180 cryptocurrencies across roughly 400 trading pairs, with the top 20 by volume dominated by KRW-based pairs like BTC/KRW, ETH/KRW, XRP/KRW, USDT/KRW, and others in similar high-turnover positions.

Product Range

CEX.IO supports spot trading, margin trading with up to 10x leverage, crypto staking and savings, and lending services; however, it does not currently offer perpetuals, options, ETFs, automated DCA, grid bots, or copy trading tools.

The exchange supports spot trading, margin trading, staking, crypto lending, and bot/automated trading, but does not offer perpetual futures, options, ETFs, copy trading, or built-in DCA features.

Liquidity

Reported 24-hour trading volume on CEX.IO ranges in the tens to hundreds of millions of USD, with robust liquidity in major pairs like BTC and ETH—offering sufficient depth for swift execution without significant price impact.

Bithumb handles daily spot volumes in the high hundreds of millions to over a billion USD, ensuring deep order books—particularly for BTC/KRW and ETH/KRW—offering robust liquidity and execution.

Tools

The platform provides basic order types such as limit and stop (plus OCO where available), access to advanced charting via its trading terminal, real-time price tracking, alerts, and full-featured APIs (REST, WebSocket, FIX on Prime) ideal for automated strategies.

Traders have access to basic orders (limit and market), stop orders, and coupon-driven fee tools; there are also alerts and API access (including WebSocket), though there’s no native TradingView integration.

Geographic Restrictions by Product

Certain features—including margin trading, staking, savings, and advanced product access—are restricted or unavailable in specific countries due to jurisdictional licensing and compliance requirements.

Derivatives and margin features are not globally available, with access mainly focused on South Korean users; many international regions, notably US and EU, face limitations or lack derivative access.

Innovation

CEX.IO offers flexible staking and savings options under its “Earn” program that allow on-demand access to funds; however, it does not currently support token launchpad or launchpool initiatives.

Bithumb offers staking services and crypto lending along with occasional airdrop or DeFi/NFT promotions, but lacks formal launchpad or launchpool platforms and doesn’t separate between flexible vs locked earn products.

Security, Regulation & Custody

Operating Entity & Jurisdiction

CEX.IO operates through several entities

Bithumb is operated by BTC Korea.com Co., Ltd, founded in 2014 and based in Seoul, South Korea. It is one of the country’s major crypto exchanges firmly entrenched in Korean financial infrastructure.

Licenses/Registration

The exchange holds a U.S. Money Services Business registration with FinCEN and multiple state-level money transmitter licenses, a Gibraltar DLT provider license, Spanish VASP registration, and Lithuanian VASP status, reflecting a broad regulatory coverage across major markets.

As a Virtual Asset Service Provider (VASP) in South Korea, Bithumb is subject to oversight under local regulations, and as of mid-2025 it was designated a “conglomerate,” meaning it must adhere to heightened compliance and public disclosure rules.

Custody

CEX.IO maintains a layered custody model—hot wallets with PCI DSS-compliant security and cold wallets secured via multi-signature and manual controls; fiat is held in segregated bank accounts—though no formal public proof-of-reserves disclosures or third-party audits are noted.

A significant portion of user assets is held in cold storage, meeting at least 80% reserve requirements; the exchange has also set aside a substantial protection reserve fund (worth over KRW 100 billion) as a buffer in case of operational risk.

Insurance & Protection Funds

While CEX.IO provides FDIC insurance for USD balances held within participating U.S. banks up to typical limits, there is no general insurance for crypto assets beyond its rigorous internal security protocols.

It maintains robust cyber insurance coverage, with multi-billion won policies through top Korean insurers, designed to help cover losses from cyber incidents and personal data breaches.

Incident History

The platform maintains a clean operational record with no major security breaches, public incidents, service suspensions, or regulatory penalties reported to date, underlining its reputation for reliability.

Bithumb has endured several hacks and investigations, including major cryptocurrency thefts in 2017 and 2018, a large insider-related loss in 2019, and multiple regulatory probes since then, though it has taken steps to strengthen its security posture.

Risk Controls

User protection is reinforced with mandatory KYC/AML procedures, two-factor authentication, address whitelisting, a proprietary transaction-monitoring system, and granular APIs aimed at enhancing security and user control.

The platform employs industry-standard security measures—such as two-factor authentication, withdrawal whitelists, IP restrictions, anti-phishing controls, and regular external audits—to offer layered protection for user accounts and funds.

Transparency

CEX.IO does not publish monthly financial or operational reports, nor provide public wallet addresses or formal service-level agreements (SLAs), although its regulatory compliance and security stance contribute to overall trust.

It has enhanced disclosure practices, driven by its conglomerate status, though real-time proof-of-reserve reporting is not publicly available; ongoing regulatory scrutiny is pushing it toward greater transparency in operations.

Deposits, Withdrawals, KYC & Support

Fiat Deposit Methods

CEX.IO allows fiat deposits via bank cards (Visa/Mastercard), bank transfers (SWIFT, SEPA, ACH, Faster Payments), and e-wallets like Skrill and PayPal; limits depend on verification level—new users may be capped at around $1,000 daily and $3,000 monthly, with standard limits applied after three months—and deposits typically arrive instantly (for cards/e-wallets) or within 1–3 business days (for bank transfers) depending on the method and region.

Fiat deposits are exclusively in Korean Won (KRW) and handled via local bank transfers—debit/credit options or e-wallets aren’t supported—amount thresholds vary and processing is typically completed within the same day for local transfers.

Supported Fiat Currencies & Conversion

KYC (Verification Levels)

CEX.IO enforces at least identity verification for full access to fiat features like card and transfer services; preliminary verification allows limited use, while higher account tiers—such as Enhanced or Corporate—lift deposit/withdrawal limits and enable large-scale operations.

Bithumb enforces tiered identity verification—basic phone/email for browsing, but Level 2 KYC is required to activate withdrawals, with higher limits tied to full verification.

Withdrawals

Limits, Timing & Networks

Crypto withdrawals require KYC Level 2, lower minimums for verified accounts, and are processed within hours (first withdrawal may take longer for security); supported networks include standard chains like ERC-20 and TRC-20, with fees varying by asset.

Customer Support

Users have access to help via live chat (mobile and web), email support, and an extensive knowledge base containing guides and FAQs—but response times vary and are influenced by location and request complexity.

Support is reachable via live chat (available 24/7), email, and a regional phone line; response quality varies, backed by an FAQ and help center to assist common issues.

Languages & Localization

The platform is fully available in English (as its primary language), and shows amounts in USD or EUR depending on region; local regulatory compliance is reflected in the user’s jurisdiction which affects available payment methods and features.

The interface supports multiple languages including English, with prices shown in KRW—there’s no automatic display in USD or EUR, and localization is limited for non-Korean regulatory zones.

App Quality & Stability

The CEX.IO app boasts a solid level of stability with regular updates; while precise crash rates aren’t publicly disclosed, the platform emphasizes performance enhancements and bug fixes in app release notes to deliver a smooth user experience.

The mobile app delivers a smooth trading interface with real-time data and strong security features (biometric login, 2FA), though user reports cite occasional crashes or slow performance during high-traffic periods.

Experience, Performance & Ecosystem

UX/UI

CEX.IO offers a single unified interface rather than separate “Lite” or “Pro” views, relying on straightforward layout and intuitive navigation to help both new and experienced users pick up functionality quickly and seamlessly.

The platform strikes a balance between newcomer friendliness and advanced functionality, offering a clean interface with clear labels and comprehensive charting tools, though it doesn’t explicitly offer separate “Lite” or “Pro” modes.

Performance

The platform benefits from institutional-grade infrastructure designed to minimize order latency, but like many exchanges, occasional slowdowns can surface during extreme market volatility; onboarding generally remains efficient even during high-demand periods.

Order execution is generally fast thanks to high liquidity, though peak volatility can bring some delays or gateway slowdowns, and KYC may slow onboarding during intense market rallies.

Education

CEX.IO University delivers free, beginner-friendly crypto education with a comprehensive glossary and lessons ranging from basic to advanced levels—though it currently lacks a live demo or simulator, and content in Spanish is available through its educational portal.

Bithumb provides a dedicated academy and tutorial content via its official channels to help users learn, but it does not currently offer demo accounts or Spanish-language learning resources.

Community

The ecosystem includes an affiliate and referral program to reward users for spreading the word, but it does not prominently feature official forums or active Discord/Telegram communities as part of its outreach.

The platform encourages engagement through referral incentives and publishes on Medium, but it lacks officially managed forums, Discord, or Telegram communities for user interaction.

Integrations

The platform integrates TradingView for charting, offers fully featured APIs for external bot support, and allows data export for tax and accounting purposes, making it viable for integration into broader trading and reporting workflows.

Bithumb supports external tools like TradingView for charting and provides API/WebSocket access for automation, but lacks built-in tax tools or direct accounting integrations.

Who Each One Is Best For

CEX.IO is particularly well-suited for users seeking a balanced and compliant entry into crypto—from beginners who want ease of use and educational resources to semi-advanced traders needing reliable tools and external integration capabilities.

It’s ideal for traders seeking a high-liquidity, reliability-focused exchange that caters to a mix of moderate experience levels, whereas those needing demo tools, Spanish-language education, or a vibrant community may look elsewhere.