What is Smart Contract Library | Explained for beginners | NBIC
Channel: NBIC Native Blockchain Infrastructure Company
Date: 01/09/2022

Libraries are reusable code blocks in smart contracts. They contain functionalities that are used by other blockchain contracts. They support object-oriented programming, which allows developers to create in a modular manner.

Using libraries in smart contracts has advantages. The most significant benefit is code reuse across contracts. Because libraries are reusable, they help to avoid code duplication. Furthermore, libraries save gas because the same code is not pushed to the blockchain several times.

Libraries are a special form of contracts that:
- Are singletons
- Not allowed any storage or state variables that change
- Cannot have fallback functions
- Have no event logs
- Do not hold Ether
- Are stateless
- Cannot use destroy
- Cannot inherit or be inherited

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