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

Can Robinhood Chain Trading Volume Be Misleading? Bots, Recycled Liquidity and Wash-Trading Risk Explained

Can Robinhood Chain Trading Volume Be Misleading? Bots, Recycled Liquidity and Wash-Trading Risk Explained

High trading volume can make a meme coin look healthy. But volume does not answer one essential question: What kind of activity produced it? A market can show substantial turnover because thousands

Robinhood Chain Whale Risk: How to Check Holder Concentration Before Buying a Meme Coin

Robinhood Chain Whale Risk: How to Check Holder Concentration Before Buying a Meme Coin

A meme coin can have 20,000 holders and still be controlled economically by a handful of wallets. That is why holder count and holder distribution should never be treated as the same metric. For

Locked Liquidity Does Not Mean Safe: LP Locks, Mint Functions, Admin Keys and Upgrade Risks Explained

Locked Liquidity Does Not Mean Safe: LP Locks, Mint Functions, Admin Keys and Upgrade Risks Explained

“Liquidity locked.” For meme coin traders, those two words can sound reassuring. They may indicate that liquidity-provider assets cannot be immediately withdrawn from a specific pool. But they do not

What Happens When Stock Markets Are Closed but Robinhood Chain Memecoins Keep Trading?

What Happens When Stock Markets Are Closed but Robinhood Chain Memecoins Keep Trading?

Stock markets have trading sessions. Blockchains do not sleep. That creates an unusual market structure on Robinhood Chain. A stock-paired meme coin can continue to exist and trade onchain even when

Market Cap vs Liquidity: Why a $100 Million Meme Coin Can Still Be Hard to Sell

Market Cap vs Liquidity: Why a $100 Million Meme Coin Can Still Be Hard to Sell

A meme coin shows a $100 million market capitalization. At first glance, that can make the asset look large, liquid and established. But what happens if its main trading pool contains only $1 million

Permissionless Does Not Mean Approved: Is Your Robinhood Chain Token Really Affiliated With Robinhood?

Permissionless Does Not Mean Approved: Is Your Robinhood Chain Token Really Affiliated With Robinhood?

A token says “Robinhood Chain” in its name. Its website displays Robinhood-related imagery. Its social account describes the project as part of the “Robinhood ecosystem.” Does that mean Robinhood

How to Spot Fake Robinhood Chain Meme Coins: Contract Addresses, Copycats and Impersonation Scams

How to Spot Fake Robinhood Chain Meme Coins: Contract Addresses, Copycats and Impersonation Scams

Robinhood Chain's rapid meme coin expansion has created a simple but increasingly important problem: a token name is not a token identity. Two tokens can use the same name. They can use the same

Robinhood Chain Meme Coin Safety Checklist: 12 Things to Check Before You Buy

Robinhood Chain Meme Coin Safety Checklist: 12 Things to Check Before You Buy

Robinhood Chain’s rapid expansion has created a new environment for onchain experimentation, including launchpads, Stock Token-linked liquidity pools and a growing number of meme coins. That openness

MEXC vs Bybit 2026: 0.020% or 0.055% on BTC Perpetuals? Features, Fees and Security Compared

MEXC vs Bybit 2026: 0.020% or 0.055% on BTC Perpetuals? Features, Fees and Security Compared

MEXC is the better exchange in this comparison for manual perpetual and altcoin traders outside the US, UK and EEA, on two verified numbers: 0.020% taker on BTCUSDT perpetuals against Bybit's

MEXC vs Binance Comparison 2026: Is 0% Maker Worth Leaving the World's Largest Exchange?

MEXC vs Binance Comparison 2026: Is 0% Maker Worth Leaving the World's Largest Exchange?

MEXC is the better exchange in this comparison for traders outside the US, UK and EEA who actively trade altcoins, on two verified numbers: 0.0000% spot maker and 0.0500% taker against Binance's