Interactive Brokers vs Bithumb: Fees, Security, Features & Which to Choose (2025)

Trying to choose between Interactive Brokers 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 29, 2025

Interactive Brokers

Bithumb

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Available Countries

United States

Yes

Europe

Yes

Latin America

Yes

India

Yes

China

Canada

Yes

United Kingdom

Yes

United States

Yes

Europe

Yes

Latin America

Yes

India

Yes

China

Canada

Yes

United Kingdom

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Interactive Brokers is ideal if:

Perfect for global-active traders: Ideal if you want deep, real-time access to dozens of international markets and advanced trade execution tools.
Great for portfolio diversifiers: Excellent choice if you aim to build a diversified, multi-asset portfolio using an all-in-one platform.
Strong for research-driven investors: Tailored for those who rely on rich analytics, extensive market data, and customizable tools to inform their decisions.

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.

Interactive Brokers isn’t ideal if:

Not ideal for new investors: The platform’s advanced tools and steep learning curve can feel overwhelming to beginners.
Not ideal if you rely on high cash interest yields: Smaller account balances typically don’t earn meaningful interest on idle cash.
Not ideal if you need highly responsive support: Some users report challenges with support responsiveness and personalized assistance.

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

IBKR charges between 0.18% and 0.12% of trade value depending on your monthly crypto trading volume—fees decrease at higher tiers (≤ $100k = 0.18%, $100k–$1M = 0.15%, > $1M = 0.12%)—no additional discounts for holding 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

For CME cryptocurrency futures like Bitcoin or Ethereum, fees are fixed per contract (e.g., Bitcoin Micro Futures range from $0.20 to $5 per contract depending on type and volume), with no explicit maker/taker split or funding fee details disclosed for crypto derivatives.

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

IBKR applies no added spreads or markups on crypto spot pairs, so spreads reflect raw market pricing without hidden cost.

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

Fiat funding supports standard bank methods (ACH, wire transfers), with typical timing of same or next business day, and IBKR does not tack on extra fees beyond those charged by your bank or processor.

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

Crypto withdrawals incur network-based miner (gas) fees, dynamically set per blockchain network (e.g., BTC, ETH, TRX)—IBKR does not apply fixed withdrawal fees, only pass-through transaction costs.

Withdrawal costs depend on the blockchain

Hidden Costs

There are no inactivity fees or express-KYC surcharges, but costs may arise from currency conversion when trading non-USD balances, and VAT or GST may apply depending on your jurisdiction.

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

You’d incur a fee of approximately ~0.18% (about €0.90) plus the market spread, and if you then withdrew on-chain you’d pay the dynamic network fee—so total cost is fee + spread + blockchain cost.

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

Interactive Brokers currently enables trading in up to 11 cryptocurrencies (including BTC, ETH, LTC, BCH, ADA, SOL, XRP, DOGE, AVAX, LINK, SUI), but does not provide a full list of trading pairs by volume; generally, the highest-volume pairs are BTC/USDT and ETH/USDT given their market prevalence.

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

The platform supports spot trading, crypto futures via CME, and access to crypto-based ETPs, but does not currently offer margin crypto trading, perpetual swaps, crypto options, staking/earn, loans, copy trading, grid bots, or auto-DCA features.

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

IBKR doesn’t publish specific liquidity metrics, though their access to major global markets and professional counterparties ensures deep liquidity and tight order book depth for Bitcoin and Ethereum, aligning with institutional-grade execution standards.

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 integrates limit, stop, and OCO orders, real-time alerts, and advanced charting with analytics; it offers full API and WebSocket access for automation, but does not currently feature native TradingView integration within its interface.

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 products are restricted by jurisdiction—for instance, crypto spot trading is unavailable to residents of the EU and UK under specific subsidiaries, and crypto derivatives are outright prohibited for UK retail clients.

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

Currently, the platform does not offer launchpad or launchpool programs, nor differentiated flexible or locked crypto-earn/yield products, though it is exploring innovations such as stablecoin funding and prediction-market tools for future updates.

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

Interactive Brokers Group, Inc. operates under U.S. jurisdiction, was founded in the late 1970s, and is headquartered in Greenwich, Connecticut, with regional offices globally to serve a multi-national client base.

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

Crypto execution and custody are provided via Paxos Trust Company or Zero Hash LLC, both regulated entities (for example, Paxos is overseen by the New York Department of Financial Services); IBKR does not self-custody crypto assets.

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

Custody is handled by Paxos or Zero Hash, not IBKR directly, and while there’s no public proof-of-reserves or cold storage ratio published, custody is managed through regulated third parties with institutional-grade controls.

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

There are no specific crypto insurance or protection funds advertised by IBKR; instead, asset protection relies on the compliance and safeguards offered by the regulated custodians (Paxos/Zero Hash).

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 has not experienced major crypto-related hacks, but it has faced regulatory issues such as fines in Hong Kong over securities lending and U.S. sanctions violations—though these pertain to broader operations rather than crypto custody per se.

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

IBKR supports strong risk controls including two-factor authentication, whitelisting, anti-phishing measures, sub-accounts, and granular API permissions to help safeguard client accounts.

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

Public transparency on crypto custody is limited—there are no monthly reports, open wallet addresses, or service level agreements (SLAs) disclosed for crypto—but overall regulatory reporting follows standard broker-dealer and custodian requirements.

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

IBKR accepts fiat deposits via ACH, bank wire, check (mail-in), direct debit, and bill-pay depending on your region; setup times and limits vary by method and your bank, typically ranging from same day to a few business days, with no universal minimum or maximum beyond what your bank imposes

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)

IBKR requires full standard KYC before allowing any fiat or crypto activity; there are no “limited” or “basic” tiers — only fully verified accounts can deposit, trade, or withdraw, as per their global customer identification protocols

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

Fiat withdrawal limits are tied to your 2FA method (ranging from $50K/day without 2FA up to unlimited with advanced devices); ACH, wire, SEPA, BACS, etc., are supported, with processing times from same-day to a few business days

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

Support is available via email and a ticket system, with access to a comprehensive knowledge base and FAQs; while 24/7 live chat may not be universally offered, response times are generally within a few business hours depending on region and inquiry type

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 supports multiple languages including native Spanish in some regions; fiat balances and fees are displayed in your account’s base currency (e.g., € for European accounts), and localized regulatory disclosures are provided based on your residency

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

IBKR’s mobile and desktop apps are known for their professional-grade stability and frequent updates, with rare crashes; while exact crash rates aren’t published, ongoing improvements and strong infrastructure ensure 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

The platform offers two distinct experiences—IBKR Lite with a simplified, intuitive interface ideal for casual investors, and IBKR Pro providing a richer, more sophisticated layout for seasoned users; this creates a steeper entry curve for Pro but delivers far greater customization once you acclimate.

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

Execution speed is highly efficient under normal conditions, yet during intense market swings, order latency may increase slightly; KYC processing can be slower during bull market surges due to high volume, though platform infrastructure remains stable with few interruptions.

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

There’s a rich learning ecosystem via IBKR Campus with structured lessons, webinars, and quizzes, alongside a paper trading simulator mirroring real market conditions; while most materials are in English, some Spanish-language content is progressively added.

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 platform supports a structured referral program (with eligibility criteria), but lacks official social media groups like Discord or Telegram, and instead relies on educational forums and support channels to foster user interactions.

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

Powerful integration options exist via IBKR APIs, TWS, Web API, and FIX, enabling seamless connectivity with external platforms for execution, tax reporting, or accounting, even if native TradingView embedding isn’t available.

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

The setup shines for active, research-driven traders and institutional users who value automation and deep tools, while the Lite mode serves casual or cost-conscious investors who want straightforward access without complexity.

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.