# 0x9503 ## Recent Posts - [A Knowledge Filter, Not A Human Ranking Machine](https://paragraph.com/@0x9503404e7c1ddf67f85226cf150539d574c11e1f/a-knowledge-filter-not-a-human-ranking-machine): Why Alcheme began with the problem of recognition, contribution, and knowledge paths. - [Social Is Not A Feed](https://paragraph.com/@0x9503404e7c1ddf67f85226cf150539d574c11e1f/social-is-not-a-feed): Why Alcheme starts from human information exchange, not another timeline. - [The Web Gave Us Copying. The Next Problem Is Memory.](https://paragraph.com/@0x9503404e7c1ddf67f85226cf150539d574c11e1f/the-web-gave-us-copying-the-next-problem-is-memory): Why blockchain became a natural direction for Alcheme ## Blog Information - [Homepage](https://paragraph.com/@0x9503404e7c1ddf67f85226cf150539d574c11e1f/): Main blog page - [RSS Feed](https://api.paragraph.com/blogs/rss/@0x9503404e7c1ddf67f85226cf150539d574c11e1f): Subscribe to updates ## Optional - [All Posts](https://paragraph.com/@0x9503404e7c1ddf67f85226cf150539d574c11e1f/): Complete post archive - [Sitemap](https://paragraph.com/@0x9503404e7c1ddf67f85226cf150539d574c11e1f/sitemap-index.xml): XML sitemap for crawlers