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Immutable Meaning

An adjective describing an object or state that cannot be modified after it has been created. In software, an immutable smart contract is one where the logic is locked in once it is deployed.

This ensures that the "rules of the game" cannot be changed by the creators after users have deposited their assets into the contract. Immutability is a core pillar of trust in decentralized finance (DeFi).

If a protocol is immutable, users can audit the code and be certain that their funds will always be handled according to that specific logic, with no risk of a centralized "admin" rug-pulling the project or altering interest rates arbitrarily. While most foundational contracts are immutable, some protocols use "proxy contracts" that allow for upgrades.

These are often viewed with skepticism by purists, as the ability to change the code introduces a central point of failure. Truly immutable systems are considered the gold standard for security and long-term censorship resistance.

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