Koalament (English)
Summary: "Koalament is an open source commenting service that uses an extension to store comments on the Bitcoin SV blockchain without requiring any permission to access the browsers data."*
More in-depth description: Koalament.io is a free browser extension for Chrome and Firefox. With Koalament anyone can post comments to any URL (that is: Web page). Such comments are visible to other Koalament users. Comments are saved to the Bitcoin SV blockchain using Money Button. Users who provide content, that others find valuable, can get "claps" (micropayments). The income from claps is automatically and instantly transferred to user's Money Button account.