> For the complete documentation index, see [llms.txt](https://babyapenodes.gitbook.io/babyapenode/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://babyapenodes.gitbook.io/babyapenode/what-is-babyapenodes/what-is-a-node.md).

# ❓ What is a Node?

A node is any physical device within a network of other tools that’s able to send, receive, or forward information. A personal computer is the most common node. It's called the computer node or internet node. In Blockchain, it means the result of locking tokens in return for a lifetime yield \
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A node is something that can be purchased in exchange for a lifetime of passive income. Once a node is purchased, it cannot be undone. The passive income a node produces is often referred to as "*Rewards*".  The time it takes for the purchaser to recover their investment is known as a Return On Investment (ROI) period.