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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

Bitcoin LTV Explained: How Much Can You Borrow Against BTC?

Bitcoin LTV Explained: How Much Can You Borrow Against BTC?

If you plan to borrow against Bitcoin, one number matters almost immediately: LTV. Loan-to-value determines how large a loan is relative to the value of the collateral supporting it. It is one of the

2026-08-25

Bitcoin Near $80K: How BTC-Backed Loans Unlock Liquidity Without Selling

Bitcoin Near $80K: How BTC-Backed Loans Unlock Liquidity Without Selling

A sharp Bitcoin rally can create an interesting problem for long-term holders. The value of the BTC position has increased—but selling it to obtain liquidity means reducing Bitcoin exposure. A

2026-08-25

What Can You Do With Bitcoin Besides Hold It?

What Can You Do With Bitcoin Besides Hold It?

The simplest Bitcoin strategy is familiar: Buy BTC and hold it. But that is no longer the only way users interact with Bitcoin. BTC can now serve several different functions inside a digital-asset

2026-08-25

Can You Earn Interest on Bitcoin? BTC Savings Explained

Can You Earn Interest on Bitcoin? BTC Savings Explained

Bitcoin itself does not automatically generate interest simply because it is held in a wallet. However, BTC holders can choose to place Bitcoin into certain earning products that distribute returns

2026-08-25

Bitcoin DCA Near $80K: Does Dollar-Cost Averaging Still Work?

Bitcoin DCA Near $80K: Does Dollar-Cost Averaging Still Work?

When Bitcoin trades near a major price milestone, dollar-cost averaging tends to attract renewed attention. The question is easy to understand: If BTC has already rallied sharply, is it too late to

2026-08-25

Bitcoin Near $80K: What Should BTC Holders Watch Next?

Bitcoin Near $80K: What Should BTC Holders Watch Next?

Bitcoin’s recent run toward $80,000 has changed the conversation. Only days earlier, the market was focused on whether BTC could break out of a six-week range. After BTC surged above $79,300, the

2026-08-25

Bitcoin After $79K: DCA vs Lump Sum Explained

Bitcoin After $79K: DCA vs Lump Sum Explained

Bitcoin’s rapid advance has brought an old investment question back into focus: if you want BTC exposure, should you invest all at once or build a position gradually? BTC recently broke above $79,300

2026-08-25

USO Price Outlook 2026–2030: WTI, Futures Curves, Roll Yield and OIL(USOON) Scenarios

USO Price Outlook 2026–2030: WTI, Futures Curves, Roll Yield and OIL(USOON) Scenarios

Summary A responsible USO price outlook for 2026–2030 should not begin by assigning one precise 2030 dollar target. USO is a futures-based commodity pool. Its long-term performance depends on: WTI

2026-08-24

Is USO a Good Investment in 2026? Bull Case, Bear Case, Contango and Key Risks

Is USO a Good Investment in 2026? Bull Case, Bear Case, Contango and Key Risks

Summary Whether the United States Oil Fund (USO) is attractive in 2026 depends on more than whether an investor believes oil prices will rise. The bull case includes: Severe global supply disruption;

2026-08-24

Why Is Oil So Volatile in 2026? Hormuz, Supply, Inventories and What It Means for USO

Why Is Oil So Volatile in 2026? Hormuz, Supply, Inventories and What It Means for USO

Summary The 2026 crude-oil market has experienced extraordinary volatility because several normally separate risks have occurred at the same time: Severe disruption to the Strait of Hormuz; Middle

2026-08-24

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