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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

BingX Fees 2026: Is Your USDT Withdrawal Route Costing 150 Times the Cheapest One?

BingX Fees 2026: Is Your USDT Withdrawal Route Costing 150 Times the Cheapest One?

BingX charges 0.1000% maker and 0.1000% taker on spot at VIP 0, 0.0200% maker and 0.0500% taker on perpetual futures, and a flat 0.0450% on Standard Futures at every tier. Withdrawals are priced per

2026-09-11

HTX Fees in 2026: Why Is the Entry Rate Nearly 16 Times the Top Tier on the Same Page?

HTX Fees in 2026: Why Is the Entry Rate Nearly 16 Times the Top Tier on the Same Page?

HTX charges 0.2000% maker and 0.2000% taker on spot at Prime 0, its entry tier, and 0.0200% maker with 0.0600% taker on USDT-margined futures. Paying spot fees with HTX cuts that spot rate by 25% to

2026-09-11

HTX KYC Requirements in 2026: Why Do Review Sites Say 3,000 BTC When HTX Says 200?

HTX KYC Requirements in 2026: Why Do Review Sites Say 3,000 BTC When HTX Says 200?

HTX runs three individual verification levels. L1 Basic Permissions asks for your nationality, name, date of birth and ID number, with no document upload, and unlocks deposits and withdrawals. L2

2026-09-11

HTX Withdrawal Limits in 2026: Is Your Daily Cap 0.06 BTC or 200 BTC, and How Long Does It Actually Take?

HTX Withdrawal Limits in 2026: Is Your Daily Cap 0.06 BTC or 200 BTC, and How Long Does It Actually Take?

In notices dated August 2021 and October 2022, HTX published daily withdrawal limits of 0.06 BTC for an account with no verification level, 5 BTC at L1, and 200 BTC at both L2 and L3. Institutional

2026-09-11

Gate.io Fees Explained 2026: Every Tier, Every Discount, Every Trap

Gate.io Fees Explained 2026: Every Tier, Every Discount, Every Trap

Gate.io fees are 0.1% maker and 0.1% taker on spot at VIP 0 on its live fee overview page, 0.09% on both sides when fees are paid in GT, 0.020% maker and 0.050% taker on futures, and a flat 0.8% on

2026-09-11

Gate.io KYC Requirements in 2026: Three Official Pages, Three Different Review Times

Gate.io KYC Requirements in 2026: Three Official Pages, Three Different Review Times

Gate.io KYC requirements start with KYC1, a government photo ID plus facial recognition, and Gate states that verification must be completed before both depositing and withdrawing, while its three

2026-09-11

Gate.io Withdrawal Limits in 2026: Your Limit Depends on Two Numbers, and No Page Shows Both

Gate.io Withdrawal Limits in 2026: Your Limit Depends on Two Numbers, and No Page Shows Both

Gate.io withdrawal limits are set by two inputs, your VIP level and your KYC status, and Gate publishes each one on a separate page: 3,000,000 USD per 24 hours at VIP 0 on the fee page, and 100,000

2026-09-11

KuCoin Fees 2026: Is Your Altcoin Trade Paying 0.30% Instead of the Advertised 0.10%?

KuCoin Fees 2026: Is Your Altcoin Trade Paying 0.30% Instead of the Advertised 0.10%?

KuCoin charges 0.10% maker and 0.10% taker on Spot Class A pairs at VIP 0, 0.20% on Class B and 0.30% on Class C, with futures at 0.02% maker and 0.06% taker. Paying fees in KCS takes 20% off spot,

2026-09-11

KuCoin KYC Requirements 2026: What Can You Still Do Unverified, and Where Can You Not Verify at All?

KuCoin KYC Requirements 2026: What Can You Still Do Unverified, and Where Can You Not Verify at All?

KuCoin announced mandatory verification for new accounts from 15 July 2023 and dates its enhanced document and face checks to 31 August 2023 on the current verification page, and the process asks for

2026-09-11

KuCoin Withdrawal Limit 2026: Your Ceiling Is Not a Number, It Is Your VIP Level

KuCoin Withdrawal Limit 2026: Your Ceiling Is Not a Number, It Is Your VIP Level

A verified individual KuCoin account has a 24 hour crypto withdrawal ceiling set by VIP level, starting at 1,000,000 USDT at VIP 0 and reaching 60,000,000 USDT at VIP 12. Unverified accounts have no

2026-09-11

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