> For the complete documentation index, see [llms.txt](https://docs.cryptodo.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cryptodo.app/smart-contracts.md).

# Smart contracts

Smart contract - computer program/application running on a blockchain. Each smart contract contains a specific set of functions and rules that are set by the code and executed on the nodes of the network.

The use of smart contracts allows you to optimize business processes and eliminate the problem of distrust between counterparties.

In CryptoDo, you can create many types of smart contracts for different business tasks. Here are the most popular ones:

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