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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

Kalshi vs Polymarket (2026): Same $1.75 Fee Cap, Different Everything Else, and Which One Can You Actually Use?

Kalshi vs Polymarket (2026): Same $1.75 Fee Cap, Different Everything Else, and Which One Can You Actually Use?

Kalshi and Polymarket charge takers by the same formula, contracts times a rate times price times one minus price, and both cap out at $1.75 per 100 contracts on a 50-cent crypto contract; Kalshi

2026-09-21

Bitget vs BingX (2026): 0.06% or 0.05% on Perpetuals, and Which Copy-Trading Platform Suits You?

Bitget vs BingX (2026): 0.06% or 0.05% on Perpetuals, and Which Copy-Trading Platform Suits You?

Bitget and BingX both charge 0.10% on spot, BingX charges less on perpetuals at 0.05% taker against Bitget's 0.06%, and both were built around copy trading: Bitget runs the larger marketplace by its

2026-09-21

Bitget vs Gate.io (2026): 0.06% or 0.05% on Perpetuals, 25x Stock Futures or 10,000 Stocks, and Which One Stays in Japan?

Bitget vs Gate.io (2026): 0.06% or 0.05% on Perpetuals, 25x Stock Futures or 10,000 Stocks, and Which One Stays in Japan?

Bitget and Gate.io both charge 0.10% on spot, Gate charges less on perpetuals at 0.05% taker against Bitget's 0.06%, and the two sell stocks in different forms, Bitget as leveraged futures and Gate

2026-09-21

KuCoin vs Gate.io (2026): 0.06% or 0.05% on Perpetuals, and Which Altcoin Venue Still Serves Your Country?

KuCoin vs Gate.io (2026): 0.06% or 0.05% on Perpetuals, and Which Altcoin Venue Still Serves Your Country?

KuCoin and Gate.io both charge 0.10% on spot, Gate charges less on perpetuals at 0.05% taker against KuCoin's 0.06%, and Gate is licensed in more places, with a MiCA authorisation, a Japan FSA

2026-09-21

OKX vs Bitget (2026): 0.05% or 0.06% on Perpetuals, and Which One Is Licensed Where You Live?

OKX vs Bitget (2026): 0.05% or 0.06% on Perpetuals, and Which One Is Licensed Where You Live?

OKX charges 0.05% on perpetual takers against Bitget's 0.06% and 0.08% on spot makers against 0.10%, and it is licensed in the United States, the United Kingdom, the EEA and Singapore while Bitget

2026-09-21

Bybit vs KuCoin (2026): 0.055% or 0.06% on Perpetuals, 447 or 889 Coins, and Which One Serves Your Country?

Bybit vs KuCoin (2026): 0.055% or 0.06% on Perpetuals, 447 or 889 Coins, and Which One Serves Your Country?

Bybit and KuCoin charge the same 0.10% on spot, Bybit charges half a basis point less on perpetual takers, 0.0550% against 0.06%, and KuCoin lists twice as many coins; both hold MiCA licences in

2026-09-21

OKX vs Bybit (2026): 0.05% or 0.055% on Perpetuals, 0.08% or 0.10% on Spot, and Which One Is Licensed Where You Live?

OKX vs Bybit (2026): 0.05% or 0.055% on Perpetuals, 0.08% or 0.10% on Spot, and Which One Is Licensed Where You Live?

OKX is slightly cheaper on both books, 0.05% against 0.055% for perpetual takers and 0.08% against 0.10% for spot makers, and it is licensed in more places, with a US exchange, a UK entity, a MiCA

2026-09-21

Bybit vs Bitget (2026): 0.055% or 0.06% on Perpetuals, and Which One Is Still Open Where You Live?

Bybit vs Bitget (2026): 0.055% or 0.06% on Perpetuals, and Which One Is Still Open Where You Live?

Bybit and Bitget charge the same 0.10% on spot and differ by half a basis point on perpetuals, 0.0550% taker on Bybit against 0.06% on Bitget; Bybit wins on options, tokenized equities and UK access,

2026-09-21

Kraken vs Binance (2026): 0.80% or 0.10% on Your First Taker Order, and Which One Is Legal Where You Live?

Kraken vs Binance (2026): 0.80% or 0.10% on Your First Taker Order, and Which One Is Legal Where You Live?

Binance is eight times cheaper than Kraken at the entry tier, 0.100% taker against Kraken Pro's 0.80%, but Kraken is licensed in the United States, the United Kingdom and the European Economic Area

2026-09-21

KuCoin vs Binance (2026): Same 0.10% Headline, Different Bill, and Which One Still Serves Europe?

KuCoin vs Binance (2026): Same 0.10% Headline, Different Bill, and Which One Still Serves Europe?

KuCoin and Binance both advertise 0.10% on spot, but the bill diverges underneath: KuCoin's token discount is 20% against Binance's 25%, its perpetual takers pay 0.06% against 0.05%, and its maker

2026-09-21

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