# B21V, aka JeffreyLChen > Blockchain/Crypto Investment Portfolio in Primary & Secondary Markets Value-centered Research-driven 专注区块链及加密领域一二级投资市场 价值投资,研究驱动的投资组合 ## Blog Information - [Homepage](https://paragraph.com/@b21v-aka-jeffreylchen/): Main blog page - [RSS Feed](https://api.paragraph.com/blogs/rss/@b21v-aka-jeffreylchen): Subscribe to updates ## Optional - [All Posts](https://paragraph.com/@b21v-aka-jeffreylchen/): Complete post archive - [Sitemap](https://paragraph.com/@b21v-aka-jeffreylchen/sitemap-index.xml): XML sitemap for crawlers