Can there be a general explanation for what all the things including the cash symbols mean and how all the videos sourced from (like using IPFS) if its not too

Can there be a general explanation for what all the things including the cash symbols mean and how all the videos sourced from (like using IPFS) if its not too privately protected? Much thanks! EDIT: Nevermind, found it, link below: https://steemit.com/video/@heimindanger/introducing-dtube-a-decentralized-video-platform-using-steem-and-ipfs https://steemit.com/video/@heimindanger/introducing-dtube-a-...