Description: An immutable contract is a type of smart contract that, once deployed on the blockchain, cannot be altered or modified. This characteristic of immutability is fundamental to ensuring trust and security in digital transactions, as it guarantees that the terms agreed upon between parties remain intact and accessible for verification at any time. Immutable contracts are programmed using specific programming languages and are executed automatically when predefined conditions are met. This automation eliminates the need for intermediaries, reduces costs, and speeds up processes, making them a valuable tool across various industries. Immutability also protects against fraud and manipulation, as any attempt to alter the contract would require consensus from the network, which is virtually impossible in decentralized systems. In summary, immutable contracts are a key innovation in the field of blockchain technology, providing a secure and transparent framework for executing digital agreements.