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# ethereum

Discussions specific to the Ethereum protocol and its ecosystem.

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I Read a 70-Page Document About Architectural Blueprint for Smart Contracts, So You Don’t Have To

I Read a 70-Page Document About Architectural Blueprint for Smart Contracts, So You Don’t Have To

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11 min read
How to Set Spending Limits for LangChain Agents on Ethereum

How to Set Spending Limits for LangChain Agents on Ethereum

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4 min read
Ethereum-Solidity Quiz Q15: What is the main difference between Transparent and UUPS upgradeable proxy patterns?
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Ethereum-Solidity Quiz Q15: What is the main difference between Transparent and UUPS upgradeable proxy patterns?

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1 min read
ERC-20 Approval Attacks: Why AI Agents Are the Perfect Target

ERC-20 Approval Attacks: Why AI Agents Are the Perfect Target

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4 min read
Unlocking Uniswap V4: Hooks as the Foundation for Next-Level DeFi
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Unlocking Uniswap V4: Hooks as the Foundation for Next-Level DeFi

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

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1 min read
Ethereum-Solidity Quiz Q12: What does this sequence of opcodes do? PUSH1 0x80 / PUSH1 0x40 / MSTORE
Cover image for 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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1 min read
Ethereum-Solidity Quiz Q14: Why constructors can't be used in upgradeable contracts?
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Ethereum-Solidity Quiz Q14: Why constructors can't be used in upgradeable contracts?

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1 min read
Ethereum-Solidity Quiz Q11: What is TWAP?
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Ethereum-Solidity Quiz Q11: What is TWAP?

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1 min read
Ethereum-Solidity Quiz Q9: What is a flashloan?
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Ethereum-Solidity Quiz Q9: What is a flashloan?

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1 min read
The Moon and the Maths: The Sea of Tranquility
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The Moon and the Maths: The Sea of Tranquility

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8 min read
Ethereum Account Abstraction (ERC-4337), Part 2: Implementation
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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?
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Ethereum-Solidity Quiz Q8: How can you deploy a Solidity smart contract with Foundry?

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1 min read
Ethereum-Solidity Quiz Q13: What are the main sections in the bytecode of a compiled Solidity smart contract?
Cover image for 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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1 min read
The Quantum Event Horizon: Cryptographic Vulnerabilities in the Ethereum Network
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The Quantum Event Horizon: Cryptographic Vulnerabilities in the Ethereum Network

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

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1 min read
Smart Contract working in etherium with Metamask wallet
Cover image for 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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1 min read
What is SpiritSwap? Fantom DEX Review 2025

What is SpiritSwap? Fantom DEX Review 2025

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4 min read
The $3 Billion Loss Year: End-of-Year Security Report
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The $3 Billion Loss Year: End-of-Year Security Report

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4 min read
Ethereum-Solidity Quiz Q5: What is a Private Mempool?

Ethereum-Solidity Quiz Q5: What is a Private Mempool?

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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
Tornado Cash Comeback: New Contracts And Changes

Tornado Cash Comeback: New Contracts And Changes

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4 min read
Ethereum-Solidity Quiz Q3: What is the ABI?

Ethereum-Solidity Quiz Q3: What is the ABI?

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1 min read
Sending EIP-4844 Blob Transactions with ethers.js and kzg-wasm

Sending EIP-4844 Blob Transactions with ethers.js and kzg-wasm

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2 min read
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