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

Trying to choose between Bithumb 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

Bithumb

Coinjar

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Available Countries

United States

Europe

Yes

Latin America

Yes

India

Yes

China

Yes

Canada

United Kingdom

Yes

United States

Yes

Europe

Latin America

India

China

Canada

Yes

United Kingdom

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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.

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

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.

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

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).

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

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

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

Average Spreads on Liquid Pairs

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.

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

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.

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

Withdrawal costs depend on the blockchain

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

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.

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

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.

Suppose you use €500 to buy BTC

Crypto Offering & Trading Features

Number of Coins & Pairs

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.

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 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.

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

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.

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

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.

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 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.

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

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.

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

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.

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

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.

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

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.

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

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.

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

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.

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 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.

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

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.

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

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.

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)

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.

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 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.

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 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.

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 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.

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 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.

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

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.

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

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

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.

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

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

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

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.

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

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.

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.