Sebastian Blum I is a venture investor who co-founded Greenfield Capital, a crypto-focused investment firm. Sebastian Blum I's Twitter Score is 18 out of 1000 as of July 2026, ranking #62,026 among 531,432 tracked accounts.
Sebastian Blum I co-founded Greenfield Capital alongside Jascha Samadi, with the firm established in 2018. Greenfield has grown its first two funds to over $600 million in AUM and was an early backer of projects including 1inch, Sovryn, Vega, and StakeWise. In November 2021, the firm announced Greenfield III, a €135 million crypto fund investing across stages and asset types.
Sebastian Blum I brings a long background in venture and technology to his role at Greenfield Capital. He previously worked at Active Venture Partners as a partner, at T-Venture as Managing Director US, and at Cooliris as VP Business Development, a company that was acquired by Yahoo! in 2014. He also formerly served as VP Business Development at Dedrone. Sebastian Blum I's account at @LeBastif has published 4,303 posts and has attracted 1,987 followers as of July 2026. Sebastian Blum I has been mentioned by 12 accounts, with 27 total mentions.
Who follows Sebastian Blum I on X?
The accounts that follow Sebastian Blum I include 102 founders, 25 angel investors, 15 influencers and 8 VCs, among them DEGEN NEWS, Jake Brukhman, Matthew Graham, NEAR Protocol, Jane Lippencott and Roham.