Fake GIWA Chain Scam Costs Users 766 ETH
TREE NEWS reports: A sophisticated phishing operation impersonating the not-yet-launched GIWA mainnet has drained approximately 766 ETH from users who believed they were interacting with a legitimate cross-chain bridge. Multichain DEX DYORSWAP disclosed the incident, revealing that scammers deployed a counterfeit chain using the real GIWA chain ID (9134) to lend false credibility to their scheme.
The fraud exploited a critical gap in user verification: GIWA’s actual mainnet has not yet gone live. The project, a collaboration between Optimism Foundation and South Korean exchange Upbit, remains in development, but scammers capitalized on anticipation surrounding its launch to lure users into bridging assets to a nonexistent network.
How the Attack Unfolded
The attackers’ use of the genuine chain ID made the fake network appear authentic to wallets and block explorers that validate chain IDs as a primary trust signal. Users who bridged assets through the fraudulent interface found their funds irrecoverable, as the destination chain existed only as a lure.
DYORSWAP has stated it is coordinating with security teams to trace fund flows and preserve evidence. The DEX has also committed to compensating affected users using treasury funds, with a detailed remediation plan expected after the investigation concludes.
Industry Implications: The Verification Vacuum
This incident underscores a persistent vulnerability in DeFi’s expansion into multi-chain infrastructure:
- Chain ID spoofing: While chain IDs are meant to uniquely identify networks, there is no universal registry that users routinely consult before bridging assets.
- Pre-launch hype as attack surface: Projects that generate significant anticipation before mainnet launch become prime targets for impersonation.
- Bridge risk concentration: Cross-chain bridges remain among the most exploited components in DeFi, and social engineering amplifies technical vulnerabilities.
The GIWA case is notable because it did not require a smart contract exploit—only a convincing replica and user trust in an unverified endpoint.
Forward-Looking Perspective
As Layer 2 ecosystems proliferate, the industry faces mounting pressure to establish authoritative, user-friendly verification mechanisms. Possible responses include:
- On-chain registries of official chain deployments with cryptographic attestations
- Wallet-level warnings when users attempt to bridge to unverified networks
- Greater transparency from projects about launch timelines and official domains
DYORSWAP’s decision to compensate users from its treasury sets a precedent for accountability, but the broader lesson is systemic: in a landscape where fake chains can convincingly mimic real ones, trust must be engineered, not assumed. Until verification infrastructure catches up with multi-chain ambitions, users remain the last line of defense—and that is a precarious place to be.




