This is the full specifications of the Open Source Self Serve Advertising Gitcoin Bounty.

Create a social media site and app with self serving advertising that accepts cryptocurrency. All software must be open source.

The platform will accept Bitcoin Cash and Ethereum for payment, and there will also be a way for members to pay a small monthly fee of cryptocurrency to not see ads. The creator of this can create a setting to accept more cryptocurrencies in addition to Bitcoin Cash and Ethereum; that would just be a bonus though, not a requirement to fulfill this bounty.

Consider forking, Mastodon, WordPress, or MediaWiki.

This needs to be a website and a smartphone app (available on Android and iOS).

This bounty will likely only be filled once many individuals contribute to it, so as to motivate and attract the attention of perhaps a few solid teams.