Peg Zones (Cosmos)
Web3 / cross chain
Peg zones are specialized blockchains within the Cosmos ecosystem designed to function as bridges between the Cosmos network and external, non-IBC blockchains like Bitcoin or Ethereum. These zones maintain a "peg" to external assets by holding reserves of those assets and issuing equivalent representations (pegged tokens) that can be traded on Cosmos chains with full IBC composability. A peg zone validates transactions on the external chain using a validator set and consensus rules specific to that blockchain, ensuring that pegged assets maintain one-to-one backing. This architecture enables Cosmos-based applications to access liquidity and assets from major blockchain ecosystems while preserving the interoperability benefits of IBC.
Example
Gravity Bridge serves as a peg zone connecting Ethereum to Cosmos, allowing Ethereum-based tokens to be locked in a smart contract and represented as native Cosmos assets that can transfer via IBC to any connected zone with full security guarantees.
Why It Matters
Peg zones extend Cosmos's interchain vision to non-IBC networks, enabling capital efficiency and composability across the broader blockchain ecosystem by trustlessly bridging isolated chains through specialized consensus mechanisms and asset verification.
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