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# solidity

For the Solidity programming language used on EVM chains.

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Oasis for Developers: an underrated EVM for privacy-first dApps

Oasis for Developers: an underrated EVM for privacy-first dApps

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1 min read
A Database‑Free Web3 Store: MetaMask Authentication and On‑Chain Product Management

A Database‑Free Web3 Store: MetaMask Authentication and On‑Chain Product Management

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3 min read
Ethereum-Solidity Quiz Q17: What visibility modifiers does Solidity use?

Ethereum-Solidity Quiz Q17: What visibility modifiers does Solidity use?

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1 min read
Building a Production-Ready Prediction Market Smart Contract in Solidity: Complete Guide with Foundry

Building a Production-Ready Prediction Market Smart Contract in Solidity: Complete Guide with Foundry

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7 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
Ethereum-Solidity Quiz Q16: What is impermanent loss?

Ethereum-Solidity Quiz Q16: What is impermanent loss?

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

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

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Ethereum-Solidity Quiz Q14: Why constructors can't be used in upgradeable contracts?

Ethereum-Solidity Quiz Q14: Why constructors can't be used in upgradeable contracts?

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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?

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
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 Q10: What is the Free Memory Pointer?

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

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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-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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