Brian Armstrong is the co-founder and CEO of Coinbase, the publicly traded cryptocurrency exchange he launched alongside Fred Ehrsam in 2012 out of Y Combinator. Coinbase went public via direct listing in April 2021 and has since grown into one of the most recognized names in crypto infrastructure. Brian Armstrong also self-funded and co-founded ResearchHub, an open scientific research platform modeled on GitHub, and co-founded NewLimit in 2021, a longevity biotech company focused on epigenetic reprogramming that reached a $3.1 billion valuation by 2026. Through Coinbase Ventures, he has backed over 550 blockchain startups including Bitso, StarkWare, OpenSea, Uniswap, and Compound. Brian Armstrong's Twitter Score is 1000 out of 1000 (an Excellent rating) as of August 2026.
Brian Armstrong ranks #2 (top 0.1%) out of 483,652 accounts tracked on TwitterScore, placing him among the 36 accounts that score above 900. His account, active since 2008, has accumulated 3,566,387 followers as of August 2026 across 5,677 posts. His content spans 6,218 founders, 1,448 angel investors, 2,630 influencers and 213 VCs, consistent with his roles across crypto, venture, and biotech.
Brian Armstrong's tracked portfolio on TwitterScore includes Ampleforth, Arcus, HODLpac, Orchid - Have Healthy Babies, LAVA and Special.
Who follows Brian Armstrong on X?
Brian Armstrong's follower base on TwitterScore includes Balaji, Chris Dixon, Coinbase, CZ BNB, Solana and vitalik.eth, reflecting the density of founders, investors, and builders across the crypto and technology sectors who follow his account. He has been mentioned by 3,661 accounts a total of 9,013 times, indicating consistent citation by other high-profile voices in the space.