# What is Hyperbridge? DeFi Protocol Guide > Decentralized Finance Publication (decentralized-finance.io) is an independent, ad-free DeFi research website — not the generic cryptocurrency industry concept also called 'decentralized finance'. **Publisher:** Decentralized Finance Publication (https://decentralized-finance.io) **Author:** Decentralized Finance editorial team **Reviewed by:** Kaiser Khan, Editor in Chief **Category:** Top DeFi Protocols **Updated:** Apr 23, 2026 **Trust:** Independent, ad-free editorial research. No display advertisements, no paid protocol coverage, no affiliate-driven rankings. ## Summary Hyperbridge is a cross-chain interoperability protocol that employs a "coprocessor model" and Zero-Knowledge (ZK) state proofs to enable secure communication and asset transfers. Its infrastructure is built around the Inter-State Messaging Protocol (ISMP) and its native token is $BRIDGE. Hyperbridge functions as a decentralized interoperability layer focused on secure cross-chain messaging and the movement of assets. It implements a "coprocessor model" combined with Zero-Knowledge (ZK) state proofs to validate states across chains, positioning itself as a trust-minimized replacement for traditional multisig bridge designs. The protocol's stack is organized around the Inter-State Messaging Protocol (ISMP) and the system's native utility token is $BRIDGE. ## Overview Hyperbridge targets the creation of a "hyperscalable, verifiable interoperability" layer intended for modular blockchain architectures. Its fundamental design seeks to provide security assurances on par with the Layer-1 networks it links by depending on cryptographic proofs rather than a centralized or privileged validator set. The protocol mainly supports the Polkadot, Kusama, and Ethereum ecosystems and integrates with multiple parachains and EVM-compatible networks. The developer toolkit is built around the Interoperable State Machine Protocol (ISMP) SDK, offering primitives for constructing cross-chain applications in both Solidity and WASM contexts. This tooling is meant to enable projects such as cross-chain decentralized exchanges (DEXes), multi-chain lending systems, and intent-based architectures. The identities of the project's founders and core team members are not listed on its official website or social media channels. ## Technology The technical design of Hyperbridge emphasizes trust minimization and leverages modern cryptographic techniques to enable secure inter-blockchain communication. Fundamental architecture and the coprocessor approach An off-chain component known as the coprocessor model is used by the protocol; it blends cryptoeconomic incentives with ZK state proofs to confirm cross-chain transactions. This architecture is intended to reduce the attack surface inherent to Multi-Party Computation (MPC) and multisig validator schemes, which depend on the honesty of a small trusted set. By using state proofs derived directly from the consensus of the source chain, Hyperbridge aims to inherit the security properties of the underlying blockchains it connects. Zero-Knowledge (ZK) light-client constructs ## Products and Use Cases Hyperbridge supplies infrastructure aimed at both end users and developers to interact with a multi-chain environment. Primary products Developer use cases The protocol's capabilities are intended to enable a range of cross-chain applications, such as: Support for these applications is provided through Hyperbridge's developer materials, which include official documentation, GitHub repositories, research publications, and the Hyperbridge Explorer for monitoring transactions. - Token Gateway — the main user-facing application that allows bridging of tokens and other assets among supported blockchain networks. - Multichain Native Tokens — infrastructure enabling developers to create tokens that exist natively on multiple chains, preventing the fragmentation associated with wrapped assets. - Decentralized exchanges operating across chains (cross-chain DEXes). - Lending and borrowing protocols that function across multiple blockchains. - Intent-based cross-chain architectures. - Multichain Liquid Restaking Tokens (LRTs) — liquid restaking token mechanisms that span several networks. - Global on- and off-ramps for digital assets. ## $BRIDGE Token The $BRIDGE token serves as Hyperbridge's native utility token and is intended to underlie its decentralized operations and governance processes. Tokenomics $BRIDGE has a fixed maximum supply of 1,000,000,000 (1 billion) tokens. The protocol follows a deflationary approach and does not mint new tokens to secure the network. Instead, protocol fees are accumulated in an on-chain treasury, which finances network rewards and operational expenses. The token is designed to be multi-chain native to enhance accessibility and utility across the integrated ecosystems. The initial token distribution was allocated as follows: The listed allocations represent 88.3% of the total supply; the allocation for the remaining 11.7% has not been disclosed in the project's documentation. - Onchain Treasury — 35% - Team — 20% - Token Sales — 13.3% - Foundation — 10% - Crowdloan Rewards — 5% - Community Incentives — 5% - Decentralized Governance — token holders have the ability to propose and vote on governance matters, including parameters like fee settings, reward schemes, and protocol upgrades. - Cross-Chain Message Fees — relayers must pay fees in $BRIDGE to submit cross-chain messages; these fees are collected into the on-chain treasury. - Storage Query Fees — fees charged for handling cross-chain storage queries are paid in $BRIDGE and directed to the treasury. - Priority Fees & MEV — as part of its cross-chain sequencer role, relayers can pay priority fees in $BRIDGE to affect transaction ordering, creating a market for cross-chain MEV. ## Security Incidents The Hyperbridge protocol and its codebase have been linked to two notable security incidents. April 2026 bridged.DOT Exploit On April 13, 2026, Hyperbridge suffered a major security breach. An attacker exploited a flaw in the protocol's gateway contract, enabling them to fabricate messages and obtain administrative privileges over the `bridged.DOT` token contract on Ethereum. The attacker then minted 1 billion unauthorized `bridged.DOT` tokens and realized proceeds of approximately $237,000. The exploit drove the price of `bridged.DOT` down to near zero. The native Polkadot (DOT) token's price was also impacted, falling by approximately 4% from 1.18. --- Canonical: https://decentralized-finance.io/article/hyperbridge/ Markdown: https://decentralized-finance.io/article/hyperbridge.md AI text endpoint: https://decentralized-finance.io/ai/protocols/hyperbridge.txt