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What Is EIP-1559 and How Did It Change Ethereum’s Fee Market?

EIP-1559 is an Ethereum improvement proposal that restructured the transaction fee mechanism. It introduced a 'base fee' that is algorithmically adjusted based on network congestion and is burned (removed from circulation).

Users can also add an optional 'priority fee' (tip) to incentivize miners/validators. This change made fees more predictable and introduced a deflationary pressure on Ether's supply.

What Is EIP-1559 and How Did It Change the Gas Fee Mechanism?
How Did Ethereum’s EIP-1559 Change the Mechanism for Setting Transaction Fees (Gas Price)?
How Has Ethereum’s EIP-1559 Changed the Dynamics of Gas Fee Bidding?
How Does the EIP-1559 Upgrade Affect Ethereum’s Gas Fee Structure?