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# Understand App Mining
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This section explains App Mining, a program for developers. For Blockstack, App Mining is a crucial factor in the growth of both blockchain applications and users.
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## What is App Mining?
{% include intro-appmining.md %}
## How apps are reviewed and ranked
Blockstack uses the third-party reviewers:
* Product Hunt
* Awario
* TryMyUI
* Internet Labs.
These reviewers are independent, and generally rely on their own proprietary data and insights to generate rankings.
{% include mining-ranking.md %}
Read more about [how reviewers score your app ](app-reviewers.html ) and [how your app ranking is calculated ](app-rankings.html ).
## Determining how much an app is paid
{% include payout-appmining.md %}
This first release of App Mining uses the initial version of our ranking and
payout mechanism. Blockstack has taken care to be thoughtful and fair, but
things may change as we learn more and get feedback from the community. Please
let us know what you think by commenting < a href = "https://forum.blockstack.org"
target="\_blank">in our forum</ a > or by emailing us at < hello @ app . co > !
The ranking and payout mechanisms are under constant review and are documented at < a href = "https://github.com/blockstack/app-mining" > the app mining's github repository< / a > .
