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What is Rosen Bridge?
Explainer
DeFi
Updated 11/26/2025

What is Rosen Bridge?

Rosen Bridge is Ergo's cross-chain bridge protocol for trustless asset transfers between blockchains. It connects Ergo with Cardano, Bitcoin (Runes), and Dogecoin. Unlike centralized bridges, Rosen uses a decentralized watcher network and multi-sig security. Bring assets to Ergo's DeFi ecosystem or move ERG to other chains.

  • Cross-chain: Ergo <-> Cardano, Bitcoin, Dogecoin
  • Decentralized: watcher network, not centralized custodian
  • Multi-sig security: distributed key management
  • Trustless: verify on both chains
  • Growing: more chains being added

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