Union Bridge Launches on Testnet, built on BitVMX
A new announcement from Rootstock introduces Union Bridge on testnet, an experimental BitVMX-based bridge designed to enable more verifiable Bitcoin interoperability.
rootstock.io/blog
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IntroducingUnion Bridge on Testnet:Verifiable Bitcoin Bridging Begins
Built on BitVMX, Union is designed to strengthen the security assumptions behind how BTC moves into programmable environments, helping Rootstock advance its role as the Bitcoin-aligned smart contract platform for DeFi, stablecoins, payments, and other onchain financial applications.