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# solidity

For the Solidity programming language used on EVM chains.

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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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1 min read
Ethereum-Solidity Quiz Q4: What is the Ethereum Mempool?

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

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1 min read
# XChainJS Check Transaction Example

# XChainJS Check Transaction Example

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2 min read
# XChainJS Liquidity Example (THORChain)
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# XChainJS Liquidity Example (THORChain)

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

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

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

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2 min read
Vue + XChainJS Example
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Vue + XChainJS Example

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

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3 min read
Beyond the Code: Advanced Human-Led Techniques in DeFi Security Auditing
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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
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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
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Building a Reusable, Multi-Event Soulbound NFT Contract in Solidity

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10 min read
Hiring: Blockchain Developer (EVM Integration) | 3k – 5k | 4 weeks | Remote

Hiring: Blockchain Developer (EVM Integration) | 3k – 5k | 4 weeks | Remote

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1 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
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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
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I Just Built & Fuzz-Tested a Simple Bank Smart Contract Using Hardhat 3 + Viem + Solidity Tests

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4 min read
Building Trinity Shield: Our Custom TEE Solution for Multi-Chain Security
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Building Trinity Shield: Our Custom TEE Solution for Multi-Chain Security

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5 min read
Deep Dive in Transparent Proxy Code
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Deep Dive in Transparent Proxy Code

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5 min read
🎲 Day 22 — Fair & Random Lottery using Chainlink VRF
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🎲 Day 22 — Fair & Random Lottery using Chainlink VRF

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8 min read
Day 21 — Build Digital Collectibles (ERC-721 NFTs) — Full tutorial (Foundry + React)
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Day 21 — Build Digital Collectibles (ERC-721 NFTs) — Full tutorial (Foundry + React)

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6 min read
Building for Trust: A Guide to Gasless Transactions with ERC-2771
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Building for Trust: A Guide to Gasless Transactions with ERC-2771

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8 min read
Understanding Solidity Transparent Upgradeable Proxy Pattern - A Practical Guide
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Understanding Solidity Transparent Upgradeable Proxy Pattern - A Practical Guide

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4 min read
🛡️ Day 19 of #30DaysOfSolidity — Signature-Based Web3 Authentication for Private Events
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🛡️ Day 19 of #30DaysOfSolidity — Signature-Based Web3 Authentication for Private Events

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4 min read
The 3 Most Subtle Solidity Bugs We Found in Audits (And How We Found Them)

The 3 Most Subtle Solidity Bugs We Found in Audits (And How We Found Them)

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6 min read
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