# johnnguyen87 ## Recent Posts - [Why should someone use a Concrete Vault instead of managing everything manually?](https://paragraph.com/@johnnguyen87/why-should-someone-use-a-concrete-vault-instead-of-managing-everything-manually): Why Should You Use a Concrete Vault? - [DeFi Doesn’t Remove Trust — It Engineers It](https://paragraph.com/@johnnguyen87/defi-doesnt-remove-trust-%E2%80%94-it-engineers-it): “Don’t trust people. Trust code.” - [What Makes a DeFi Strategy Actually Sustainable?](https://paragraph.com/@johnnguyen87/johnnguyen87): What Makes a DeFi Strategy Actually Sustainable? - [Untitled](https://paragraph.com/@johnnguyen87/concrete): DeFi made yield visible. It put APYs on dashboards, made deposits feel effortless, and turned earning into a few clicks. ## Blog Information - [Homepage](https://paragraph.com/@johnnguyen87/): Main blog page - [RSS Feed](https://api.paragraph.com/blogs/rss/@johnnguyen87): Subscribe to updates ## Optional - [All Posts](https://paragraph.com/@johnnguyen87/): Complete post archive - [Sitemap](https://paragraph.com/@johnnguyen87/sitemap-index.xml): XML sitemap for crawlers