# Polkadot.js apps

As the Humanode network is implemented based on substrate framework.

{% embed url="<https://github.com/paritytech/substrate>" %}

You can easily use already implemented substrate tools to interact with the Humanode chains like creating an account, exploring the networks (blocks, extrinsics, validators, etc), submitting RPC calls, submitting extrinsics and others.

{% embed url="<https://polkadot.js.org>" %}

Polkadot-JS Apps is the native Substrate UI for interacting with a node, allowing access to all features available on substrate-based chains. This provides a view and interaction layer from a browser.

{% embed url="<https://github.com/polkadot-js/apps>" %}

This can be accessed as a hosted application via:

{% embed url="<https://polkadot.js.org/apps/>" %}

To connect the Polkadot-JS Apps to your local node, you must go into `Settings` and change the "endpoint to connect to" to `Local Node (127.0.0.1:9944)`.

Check the substrate source to get more information.

{% embed url="<https://docs.substrate.io/reference/command-line-tools/polkadot-apps/>" %}