Mark Beylin is a crypto investor and product builder who works at Haun Ventures as Principal. Mark Beylin's Twitter Score is 346 out of 1000 (an Excellent rating) as of October 2026, ranking #788 (top 0.5%) among 493,668 tracked accounts.
Mark Beylin founded The Bounties Network, described as one of the first smart contract protocols on Ethereum to cross $1 million in TVL. He also co-founded Myco, Bond, and The Pixel Portraits, projects focused on helping internet-native organizations use tokenized incentives. Earlier in his career, Mark Beylin previously worked at Boost VC, where he ran the crypto desk supporting pre-seed investments across robotics, biotech, AI, VR, space, and oceans.
Mark Beylin previously worked at ConsenSys as a software developer and formerly at Deloitte, building a background that spans protocol development, venture investing, and product design. Mark Beylin has 15,377 followers as of October 2026 and has published 16,823 posts on the platform. Mark Beylin has been mentioned by 166 accounts a total of 337 times.
Who follows Mark Beylin on X?
The accounts that follow Mark Beylin include 1,243 founders, 364 angel investors, 346 influencers and 15 VCs, among them Chris Dixon, jesse.base.eth, Laura Shin, Stani, Hayden Adams and Kyle Samani.