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# solidity

For the Solidity programming language used on EVM chains.

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

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

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

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

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

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

🛡️ 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
Day 17 of #30DaysOfSolidity — Build an Upgradeable Subscription Manager for Your SaaS dApp

Day 17 of #30DaysOfSolidity — Build an Upgradeable Subscription Manager for Your SaaS dApp

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4 min read
Why We Chose 2 of 3 Consensus (Not 3 of 3): The Math Behind Trinity Protocol

Why We Chose 2 of 3 Consensus (Not 3 of 3): The Math Behind Trinity Protocol

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9 min read
Trinity Protocol™: How We Built a 2-of-3 Multi-Chain Consensus System with 90% Gas Savings

Trinity Protocol™: How We Built a 2-of-3 Multi-Chain Consensus System with 90% Gas Savings

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9 min read
🏦 Day 11 of #30DaysOfSolidity — Building a Secure Vault with Ownable + VaultMaster 🔐

🏦 Day 11 of #30DaysOfSolidity — Building a Secure Vault with Ownable + VaultMaster 🔐

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4 min read
🏋️ Day 10 of #30DaysOfSolidity — Building a Decentralized Fitness Tracker with Events & Milestones

🏋️ Day 10 of #30DaysOfSolidity — Building a Decentralized Fitness Tracker with Events & Milestones

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2 min read
🧩 Day 9 of #30DaysOfSolidity — Contract-to-Contract Interaction

🧩 Day 9 of #30DaysOfSolidity — Contract-to-Contract Interaction

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3 min read
🪙 Day 12 of #30DaysOfSolidity — Build Your Own ERC-20 Token using Foundry

🪙 Day 12 of #30DaysOfSolidity — Build Your Own ERC-20 Token using Foundry

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4 min read
💎 Day 5 of 30 Days of Solidity — Build a Treasure Chest Contract

💎 Day 5 of 30 Days of Solidity — Build a Treasure Chest Contract

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3 min read
Day 4 of 30 Days of Solidity Challenge: Build a Basic Auction Smart Contract

Day 4 of 30 Days of Solidity Challenge: Build a Basic Auction Smart Contract

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3 min read
Deep Dive in Transparent Proxy Code

Deep Dive in Transparent Proxy Code

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5 min read
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