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Yuanyan Wu

Security-focused engineer exploring CTFs, Solidity exploits, and secure design patterns.

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How to Fully Transfer ERC-20 Tokens Without Leaving Dust Using MetaMask and JavaScript
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How to Fully Transfer ERC-20 Tokens Without Leaving Dust Using MetaMask and JavaScript

#ethereum #metamask #erc20 #web3
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4 min read
Learn Solidity Through Code: Breaking Down Walkthrough.sol Step by Step
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Learn Solidity Through Code: Breaking Down Walkthrough.sol Step by Step

#solidity #ethereum #cryptocurrency #programming
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4 min read
12-Word Seed Phrase Posted on YouTube ?? It Was a Trap.
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12-Word Seed Phrase Posted on YouTube ?? It Was a Trap.

#ethereum #blockchain #security #mev
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2 min read
The Ethereum Pectra Upgrade
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The Ethereum Pectra Upgrade

#ethereum #blockchain #eip #web3
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2 min read
Tracing April 2025 Bitcoin Movements and Monero Surge
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Tracing April 2025 Bitcoin Movements and Monero Surge

#cryptocurrency #privacy #hacktoberfest
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3 min read
How to Fully Empty a Wallet via Chrome Console Without Leaving Dust
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How to Fully Empty a Wallet via Chrome Console Without Leaving Dust

#ethereum #web3 #javascript #metamask
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2 min read
Demystifying Reentrancy Attacks in Solidity: Vulnerabilities and Defenses
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Demystifying Reentrancy Attacks in Solidity: Vulnerabilities and Defenses

#solidity #evm #ethereum #web3
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2 min read
Smart Contracts Deep Dive: Storage Packing, Payment Flows, and msg Object Explained
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Smart Contracts Deep Dive: Storage Packing, Payment Flows, and msg Object Explained

#web3 #solidity #ethereum #evm
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4 min read
Inside a Smart Contract: Storage, Execution, and Blockchain Behavior
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Inside a Smart Contract: Storage, Execution, and Blockchain Behavior

#ethereum #solidity #web3 #evm
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2 min read
From Source to Blockchain: How Smart Contracts Go Live with Remix and MetaMask
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From Source to Blockchain: How Smart Contracts Go Live with Remix and MetaMask

#web3 #ethereum #metamask #solidity
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4 min read
Onboard Ethereum: A Beginner’s Guide to MetaMask, Testnets, and Your First Wallet
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Onboard Ethereum: A Beginner’s Guide to MetaMask, Testnets, and Your First Wallet

#web3 #beginners #ethereum #blockchain
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3 min read
Understanding Walkthrough.sol Solidity Contract Explained in Detail
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Understanding Walkthrough.sol Solidity Contract Explained in Detail

#web3 #solidity #blockchain #beginners
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3 min read
Demystifying Solidity: A Step-by-Step Guide Using Walkthrough.sol
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Demystifying Solidity: A Step-by-Step Guide Using Walkthrough.sol

#web3 #solidity #beginners #blockchain
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3 min read
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