The budget concept is a security measure between the app and the wallet, so that the app code only has control over a fixed amount of funds in the wallet.
Within the app context, an unlimited number of channels (up to the budget capacity) can be opened. The video at the top of the blog post is an example of a single user downloading from multiple other leechers & seeders while simultaneously uploading to other leechers.
Within the app context, an unlimited number of channels (up to the budget capacity) can be opened. The video at the top of the blog post is an example of a single user downloading from multiple other leechers & seeders while simultaneously uploading to other leechers.