Union is a zero-knowledge interoperability Layer 1 protocol that enables trustless cross-chain settlement and liquidity for protocols and asset issuers without relying on trusted third parties, oracles, multi-signatures, or MPC. Union's Twitter Score is 102 out of 1000 (an Excellent rating) as of August 2026, ranking #7,171 (top 5%) among 483,914 tracked accounts.
Union was co-founded by Karel Kubat as Co-founder and CEO, Cor as Co-founder and CTO, and Emir as Co-founder and CSO. The project describes itself as the first modular interoperability layer for trustless bridging between appchains, L1s, and L2s. Union is affiliated with the Union Foundation.
Union raised a $4 million seed round announced in November 2023, led by Galileo and joined by Semantic Ventures, Tioga Capital, and Nascent. Union then raised a $12 million Series A announced in December 2024, led by Gumi Cryptos Capital and LongHash Ventures, bringing total raised capital to $16 million. Borderless Capital is also among its backers.
Union's public mainnet went live in September 2025, with initial validators producing blocks on union-1 and the U token becoming claimable as part of the U Drop. During alpha mainnet, Union reported that over $145 million of value in BTC LSTs and other assets had been securely transferred across its routes. Union has 195,532 followers as of August 2026 and has published 5,260 posts. Union has been mentioned by 458 accounts a total of 2,329 times.
Who follows Union on X?
The accounts that follow Union include 325 founders, 80 angel investors, 220 influencers and 20 VCs, among them Tarun Chitra, Polygon, Tay, Mario Nawfal, DeFi Dad defidad.eth and gabrielShapir0.