# Builder's Log > Notes from the trenches of building onchain. Deep dives into blockchain architecture, trading infrastructure, and the frameworks I use to make sense of where crypto is going. ## Recent Posts - [Perps made the case for app chains undeniable. Do we still need general purpose chains?](https://paragraph.com/@builders-log/do-we-still-need-general-purpose-chains): An updated framework for understanding where the highest opportunity lives — app chains, general purpose chains, and how value flows between them. ## Blog Information - [Homepage](https://paragraph.com/@builders-log/): Main blog page - [RSS Feed](https://api.paragraph.com/blogs/rss/@builders-log): Subscribe to updates ## Optional - [All Posts](https://paragraph.com/@builders-log/): Complete post archive - [Sitemap](https://paragraph.com/@builders-log/sitemap-index.xml): XML sitemap for crawlers