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# solidity

For the Solidity programming language used on EVM chains.

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The Danger of Randomness in Smart Contracts and its solution

The Danger of Randomness in Smart Contracts and its solution

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1 min read
What is Reentrancy?

What is Reentrancy?

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3 min read
Understanding approve and depositCollateral: The Core of ERC-20 Token Transfers in Solidity

Understanding approve and depositCollateral: The Core of ERC-20 Token Transfers in Solidity

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2 min read
Ethereum Transaction Calls and State Changes

Ethereum Transaction Calls and State Changes

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Creating a Toy Solidity compiler and running it in a Toy EVM

Creating a Toy Solidity compiler and running it in a Toy EVM

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5 min read
Bulksendtokens.xyz: The Ultimate Airdrop Tool for 2025

Bulksendtokens.xyz: The Ultimate Airdrop Tool for 2025

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A Walkthrough of Solidity Custom Errors

A Walkthrough of Solidity Custom Errors

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3 min read
How to write dynamic staking smart contract step by step in practice

How to write dynamic staking smart contract step by step in practice

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4 min read
⚖️ The Importance of Using ReentrancyGuard in Solidity Smart Contract

⚖️ The Importance of Using ReentrancyGuard in Solidity Smart Contract

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3 min read
When to Use ERC-721 vs ERC-1155: Choosing the Right NFT Standard

When to Use ERC-721 vs ERC-1155: Choosing the Right NFT Standard

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3 min read
Formal Verification: An Example

Formal Verification: An Example

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5 min read
Every Blockchain Developer Must Know About This Scam!

Every Blockchain Developer Must Know About This Scam!

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2 min read
🚀 Getting Started with kritisi CLI: An AI-Driven Security Tool for Solidity

🚀 Getting Started with kritisi CLI: An AI-Driven Security Tool for Solidity

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3 min read
Solidity Pattern - Proxy Delegate and Decorator Patterns

Solidity Pattern - Proxy Delegate and Decorator Patterns

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2 min read
🛡️ Why Using OpenZeppelin in Smart Contracts Is Essential

🛡️ Why Using OpenZeppelin in Smart Contracts Is Essential

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2 min read
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