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# solidity

For the Solidity programming language used on EVM chains.

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Ethereum-Solidity Quiz Q13: What are the main sections in the bytecode of a compiled Solidity smart contract?

Ethereum-Solidity Quiz Q13: What are the main sections in the bytecode of a compiled Solidity smart contract?

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Ethereum-Solidity Quiz Q10: What is the Free Memory Pointer?

Ethereum-Solidity Quiz Q10: What is the Free Memory Pointer?

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Ethereum-Solidity Quiz Q12: What does this sequence of opcodes do? PUSH1 0x80 / PUSH1 0x40 / MSTORE

Ethereum-Solidity Quiz Q12: What does this sequence of opcodes do? PUSH1 0x80 / PUSH1 0x40 / MSTORE

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Ethereum-Solidity Quiz Q11: What is TWAP?

Ethereum-Solidity Quiz Q11: What is TWAP?

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Ethereum-Solidity Quiz Q9: What is a flashloan?

Ethereum-Solidity Quiz Q9: What is a flashloan?

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Ethereum Account Abstraction (ERC-4337), Part 2: Implementation

Ethereum Account Abstraction (ERC-4337), Part 2: Implementation

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1 min read
Ethereum-Solidity Quiz Q8: How can you deploy a Solidity smart contract with Foundry?

Ethereum-Solidity Quiz Q8: How can you deploy a Solidity smart contract with Foundry?

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Ethereum-Solidity Quiz Q7: What is the "solc optimizer" in Solidity?

Ethereum-Solidity Quiz Q7: What is the "solc optimizer" in Solidity?

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Smart Contract working in etherium with Metamask wallet

Smart Contract working in etherium with Metamask wallet

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3 min read
Ethereum-Solidity Quiz Q6: What is the max bytecode size for smart contract deployment on Ethereum?

Ethereum-Solidity Quiz Q6: What is the max bytecode size for smart contract deployment on Ethereum?

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Ethereum-Solidity Quiz Q4: What is the Ethereum Mempool?

Ethereum-Solidity Quiz Q4: What is the Ethereum Mempool?

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# XChainJS Check Transaction Example

# XChainJS Check Transaction Example

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# XChainJS Liquidity Example (THORChain)

# XChainJS Liquidity Example (THORChain)

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2 min read
@xchainjs/xchain-util: Install, Use & Build Cross-Chain Crypto Apps (with TypeScript)

@xchainjs/xchain-util: Install, Use & Build Cross-Chain Crypto Apps (with TypeScript)

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Your Career, Onchain: Building a Resume Protocol with Purpose and Trust

Your Career, Onchain: Building a Resume Protocol with Purpose and Trust

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Architecting RWAs: Architecting RWAs: How We Built a Modular Policy Engine for Tokenized Assets

Architecting RWAs: Architecting RWAs: How We Built a Modular Policy Engine for Tokenized Assets

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2 min read
Vue + XChainJS Example

Vue + XChainJS Example

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How I Built a Decentralized NFT Gift Protocol (and why digital gifting is broken)

How I Built a Decentralized NFT Gift Protocol (and why digital gifting is broken)

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3 min read
Monad is Fast. Your Code Should Be Reliable. (A New Foundry Starter Kit)

Monad is Fast. Your Code Should Be Reliable. (A New Foundry Starter Kit)

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Beyond the Code: Advanced Human-Led Techniques in DeFi Security Auditing

Beyond the Code: Advanced Human-Led Techniques in DeFi Security Auditing

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10 min read
How to verify your contracts like a mastermind

How to verify your contracts like a mastermind

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9 min read
Building a Reusable, Multi-Event Soulbound NFT Contract in Solidity

Building a Reusable, Multi-Event Soulbound NFT Contract in Solidity

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10 min read
Building Trust in DeFi: A Deep Dive into Musical Chairs' Time-Locked Emergency Functions

Building Trust in DeFi: A Deep Dive into Musical Chairs' Time-Locked Emergency Functions

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4 min read
Join Trinity Protocol: Build the Future of Multi Chain Security

Join Trinity Protocol: Build the Future of Multi Chain Security

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6 min read
I Just Built & Fuzz-Tested a Simple Bank Smart Contract Using Hardhat 3 + Viem + Solidity Tests

I Just Built & Fuzz-Tested a Simple Bank Smart Contract Using Hardhat 3 + Viem + Solidity Tests

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4 min read
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