Audit of Avail Cosmos and Backend Changes
Our team performed a security audit of the Avail Nexus meta-interoperability protocol for Avail Technology Ltd, a system designed to eliminate blockchain fragmentation by unifying liquidity, assets, and coordination logic at the base layer. The protocol abstracts away the complexities of manual bridging, chain switching, and cross-chain approvals to deliver a seamless, “bridgeless” experience for end users.
We covered a broad surface area, encompassing the Cosmos SDK appchain, an off-chain node responsible for fulfilling bridging and settlement requests, and a TypeScript SDK.
The audit surfaced findings across critical, major, and minor severity levels. The resolved critical issues addressed serious vulnerabilities, including malicious vote extensions capable of mutating bridge state and consensus failures triggered by non-deterministic time checks. All resolved findings were verified by our team, and the remaining acknowledged issues represent risks the client has accepted or is actively tracking within their security model. Read the full audit report.
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