> For the complete documentation index, see [llms.txt](https://docs.put.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.put.com/developers/writing-programs/program-examples.md).

# Program Examples

Program Examples 

## Helloworld

Hello World is a project that demonstrates how to use the PUT Javascript API and both Rust and C programs to build, deploy, and interact with programs on the PUT blockchain.

The project comprises of:

* An on-chain hello world program
* A client that can send a "hello" to an account and get back the number of times "hello" has been sent

### Build and Run\#

fetch the latest version of the example code: 

```
$ git clone https://github.com/put-labs/example-helloworld.git 
$ cd example-helloworld
```