MEXC Exchange/Learn/Sarah Chen
Sarah Chen

Sarah Chen

Nationality: Australia Bio: Sarah Chen specializes in DeFi protocols, smart contracts, and Layer-2 solutions. Based in Melbourne, she brings technical expertise and clear communication to complex blockchain topics. She holds a Bachelor's degree in Computer Science from the University of Melbourne and worked as a blockchain developer for three years before transitioning to technical writing. Her hands-on experience with Ethereum, Solana, and other platforms allows her to explain intricate concepts in accessible language. Since joining MEXC Learn in 2022, Sarah has focused on making blockchain technology understandable for all users, covering topics from DeFi yield farming to zero-knowledge proofs. Areas of Expertise: - DeFi Protocols - Smart Contract Analysis - Layer-2 Solutions - Blockchain Infrastructure - Protocol Security

Recent Articles

Best OrangeX Alternatives: A 5/10 Trust Score Behind Genuinely Competitive Fees, and 6 Alternatives

Best OrangeX Alternatives: A 5/10 Trust Score Behind Genuinely Competitive Fees, and 6 Alternatives

MEXC is the strongest overall OrangeX alternative for most traders, halving the spot taker from 0.10% to 0.05%, dropping the spot maker to 0%, and pairing it with a 9/10 CoinGecko trust score against

OXY vs OXYON: What’s the Difference Between Occidental Petroleum Stock and Tokenized OXY?

OXY vs OXYON: What’s the Difference Between Occidental Petroleum Stock and Tokenized OXY?

Summary OXY and OXYON both provide economic exposure related to Occidental Petroleum, but they are different financial instruments. OXY is common stock issued by Occidental Petroleum Corporation and

How to Buy OXYON on MEXC: Step-by-Step Guide

How to Buy OXYON on MEXC: Step-by-Step Guide

Summary OXYON is an Ondo tokenized product designed to provide economic exposure linked to Occidental Petroleum Corporation (NYSE: OXY). MEXC launched OXYON/USDT on March 4, 2026 as an ERC-20

What Is Occidental Petroleum (NYSE: OXY) Stock? Oil, Permian, Berkshire Hathaway, Debt and Carbon Strategy

What Is Occidental Petroleum (NYSE: OXY) Stock? Oil, Permian, Berkshire Hathaway, Debt and Carbon Strategy

Summary Occidental Petroleum Corporation (NYSE: OXY) is an international energy company focused primarily on oil and natural gas production, midstream and marketing activities, and lower-carbon

MEXC vs Gate KIMI Pre-IPO Futures: Fees, Leverage and Position Limits Compared

MEXC vs Gate KIMI Pre-IPO Futures: Fees, Leverage and Position Limits Compared

Summary Both MEXC and Gate provide Pre-IPO perpetual futures linked to market expectations surrounding Moonshot AI and Kimi. However, the compared KIMI contract settings show important differences

What Happens to MOONSHOTUSDT After the Kimi IPO? Pre-IPO Futures Conversion Explained

What Happens to MOONSHOTUSDT After the Kimi IPO? Pre-IPO Futures Conversion Explained

Summary If Moonshot AI eventually completes an IPO, traders may ask what happens to existing MOONSHOTUSDT Pre-IPO Futures positions. MEXC’s general Pre-Market Futures framework allows a Pre-Market

Is QQQ a Good Investment in 2026? AI Growth, Concentration, Valuation and Risks

Is QQQ a Good Investment in 2026? AI Growth, Concentration, Valuation and Risks

Summary Whether Invesco QQQ is a good investment in 2026 depends largely on how an investor views four competing forces: Bullish factors AI infrastructure growth; Semiconductor demand; Cloud

QQQ vs SPY: Nasdaq-100 vs S&P 500 — What’s the Difference?

QQQ vs SPY: Nasdaq-100 vs S&P 500 — What’s the Difference?

Summary QQQ and SPY are two of the most widely followed U.S. ETFs, but they track different indexes. Invesco QQQ → tracks the Nasdaq-100 State Street SPDR S&P 500 ETF Trust (SPY) → tracks the S&P 500

QQQ vs QQQON: What’s the Difference Between Invesco QQQ ETF and Tokenized QQQ?

QQQ vs QQQON: What’s the Difference Between Invesco QQQ ETF and Tokenized QQQ?

Summary QQQ and QQQON provide related economic exposure, but they are not the same product. QQQ is the Invesco QQQ ETF, an exchange-traded fund designed to track the Nasdaq-100 Index. QQQON, styled

How to Convert USDT to QQQON on MEXC: QQQ Spot Convert Guide

How to Convert USDT to QQQON on MEXC: QQQ Spot Convert Guide

Summary QQQON is an Ondo tokenized product linked to the Invesco QQQ ETF (NASDAQ: QQQ), which in turn tracks the Nasdaq-100 Index. MEXC officially added QQQON to its Convert service on March 13, 2026