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# ethereum

Discussions specific to the Ethereum protocol and its ecosystem.

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🧠 Day 30 of #30DaysOfSolidity — Build a Simple Token Exchange (AMM) Using Foundry

🧠 Day 30 of #30DaysOfSolidity — Build a Simple Token Exchange (AMM) Using Foundry

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5 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
EIP-7702 Infra Goes Live, Bitget’s Gasless Fees, Base’s Global Finance Vision, Thirdweb’s 4337 Wallets on Hyperliquid

EIP-7702 Infra Goes Live, Bitget’s Gasless Fees, Base’s Global Finance Vision, Thirdweb’s 4337 Wallets on Hyperliquid

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6 min read
🗳️ Day 28 of #30DaysOfSolidity — Build a DAO Voting System (Decentralized Governance)

🗳️ Day 28 of #30DaysOfSolidity — Build a DAO Voting System (Decentralized Governance)

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4 min read
Your AI Agent Just Sent an Invoice (ERC-8004 + x402 in 5 Minutes)

Your AI Agent Just Sent an Invoice (ERC-8004 + x402 in 5 Minutes)

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4 min read
🏦 Day 24 of #30DaysOfSolidity — Build a Secure Conditional Payments (Escrow) System in Solidity

🏦 Day 24 of #30DaysOfSolidity — Build a Secure Conditional Payments (Escrow) System in Solidity

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4 min read
EIP-7702 Infrastructure Launches to Support Account Abstraction for EOAs

EIP-7702 Infrastructure Launches to Support Account Abstraction for EOAs

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4 min read
💰 Day 23 of #30DaysOfSolidity — Build a DeFi Lending & Borrowing System (Aave-like dApp)

💰 Day 23 of #30DaysOfSolidity — Build a DeFi Lending & Borrowing System (Aave-like dApp)

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4 min read
🔱 Trinity Protocol v1.5: Achieving Audit-Ready Status with Zero Critical Vulnerabilities

🔱 Trinity Protocol v1.5: Achieving Audit-Ready Status with Zero Critical Vulnerabilities

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4 min read
🪙 Day 27 of #30DaysOfSolidity — Build a Staking & Yield Farming Platform in Solidity

🪙 Day 27 of #30DaysOfSolidity — Build a Staking & Yield Farming Platform in Solidity

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4 min read
Building a Gas Optimization Tool: Technical Deep Dive

Building a Gas Optimization Tool: Technical Deep Dive

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3 min read
Arbitrum Adds Native EIP-7702, Fusaka Cell Proofs, CZ x YZI Oracle, and Tether’s WDK

Arbitrum Adds Native EIP-7702, Fusaka Cell Proofs, CZ x YZI Oracle, and Tether’s WDK

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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
🏰 Day 20 of #30DaysOfSolidity — Build a Secure Digital Vault (FortKnox)

🏰 Day 20 of #30DaysOfSolidity — Build a Secure Digital Vault (FortKnox)

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4 min read
How We Achieved 40% Gas Savings with Formal Verification and Merkle Proofs

How We Achieved 40% Gas Savings with Formal Verification and Merkle Proofs

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4 min read
We Replaced Our RPC Layer With eRPC

We Replaced Our RPC Layer With eRPC

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2 min read
How Attackers Are Using Blockchains to Hide Malware

How Attackers Are Using Blockchains to Hide Malware

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3 min read
🌾 Day 18 of #30DaysOfSolidity — Decentralized Crop Insurance using Chainlink Oracles (Foundry + React Frontend)

🌾 Day 18 of #30DaysOfSolidity — Decentralized Crop Insurance using Chainlink Oracles (Foundry + React Frontend)

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4 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
How standards enhance the developer experience

How standards enhance the developer experience

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5 min read
🪙 Day 29 of #30DaysOfSolidity — Building a Collateral-Backed Stablecoin in Solidity — Step-by-Step Guide

🪙 Day 29 of #30DaysOfSolidity — Building a Collateral-Backed Stablecoin in Solidity — Step-by-Step Guide

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5 min read
🏪 Day 26 of #30DaysOfSolidity — Build a Decentralized NFT Marketplace with Royalties 💎

🏪 Day 26 of #30DaysOfSolidity — Build a Decentralized NFT Marketplace with Royalties 💎

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5 min read
🧮 Day 25 of #30DaysOfSolidity — Build an Automated Market Maker (AMM) 💧

🧮 Day 25 of #30DaysOfSolidity — Build an Automated Market Maker (AMM) 💧

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5 min read
EF’s Kohaku wallet SDK, Etherspot JAW smart wallet, Rhinestone’s chain-agnostic intents

EF’s Kohaku wallet SDK, Etherspot JAW smart wallet, Rhinestone’s chain-agnostic intents

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6 min read
🗳️ Day 15 of #30DaysOfSolidity — Building a Gas-Efficient Voting System

🗳️ Day 15 of #30DaysOfSolidity — Building a Gas-Efficient Voting System

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4 min read
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