Is there a way to bridge Matrix with ActivityPub? I see MXToot[1] as an option, but I'm hoping for something a little less Mastodon-specific. I'd like to be able to bridge Matrix with Mastodon, Hubzilla, Peertube, Pixelfed, and the other ActivityPub federated services that are popping up.
Would it be possible to get the Bifrost[2] to integrate with ActivityPub?
Is this tool using different methods than pngquant[0]? Pngpal looks like it won't touch the image if it can't palletize it, whereas pngquant will resort to lossy compression. Would there be a benefit to using both in sequence? If so, which order is ideal?
An alternative solution to requiring a 3rd party escrow is to use the concept of "mutually assured destruction". The general idea is that each party deposits twice the value into a shared 2-of-2 multisig wallet. Then, two transactions are generated: 1 for completing the purchase, and one for completing a refund. Both parties need to sign one of the transactions, or all their funds remain locked up, so there is an incentive to cooperate and come to an agreement without needing a 3rd party involved. It isn't perfect, because there are other drawbacks such as needing a large amount of money up front, but it is a trustless alternative.
The idea is that a long data-uri containing hashes and a small loader function are bookmarked. The loader won't load the corresponding javascript unless the hashes match. The user only needs to verify the javascript once, then they can rely on their bookmark containing the hashes. If the server were to swap out the javascript, the bookmark would fail to load it.