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A clear comparison between the UTXO model used by Bitcoin and the account-based model used by Ethereum, highlighting their differences, advantages, and implications for users and developers.

Explore the concept of flash swaps in Uniswap, a mechanism that allows users to borrow tokens for instant use cases like arbitrage, all within a single transaction.

Master the different ways to represent hexadecimal values in Solidity, from basic hex literals to bytes representations, and understand when to use each format.

Understanding Solidity data locations is essential for writing efficient smart contracts. Learn the differences between storage, memory, and calldata, and how they affect gas costs and variable behavior.