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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

24/7 Trading Does Not Mean 24/7 Liquidity: The Hidden Risk in Robinhood Chain Stock-Paired Memecoins

24/7 Trading Does Not Mean 24/7 Liquidity: The Hidden Risk in Robinhood Chain Stock-Paired Memecoins

Crypto markets are associated with continuous trading. Robinhood Stock Tokens are self-custodied blockchain assets that Robinhood says can remain accessible in user wallets around the clock. That

2026-09-04

Five Risks of Stock-Paired Memecoins: Liquidity, Oracle, Inventory, Issuer and Meme Risk

Five Risks of Stock-Paired Memecoins: Liquidity, Oracle, Inventory, Issuer and Meme Risk

Stock-paired memecoins are one of the more unusual experiments to emerge on Robinhood Chain. Instead of trading only against ETH or a stable asset, some meme coins use Robinhood Stock Tokens as one

2026-09-04

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

2026-09-04

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

2026-09-04

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

2026-09-04

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

2026-09-04

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

2026-09-04

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

2026-09-04

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

2026-09-04

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

2026-09-04

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