Contract & chain audit
We find the weak points and then tell you how to close them.
A full pass over smart contracts, wallets, chain clients, site front ends and back ends, and the rest of the attack surface.
How an audit runs
1. Code reading, covering:
- Scope and diagnosis
We size the codebase and map what it is supposed to do from the specs, sources, and notes you give Hash XR.
- Line-by-line reading
We walk the source line by line and mark places that can fail or be abused.
- Spec versus code
We check whether the shipped code actually does what the specs, sources, and notes given to Hash XR say it should — and whether it does so cleanly.
2. Tests and machine analysis, covering:
- Coverage of the tests
We measure how much of the code the existing tests actually touch when they run.
- Symbolic runs
We ask which inputs drive which branches, so hidden paths are not left untested.
- Practice check
We score the source against current industry and academic practice so maintainability, control, and safety can be tightened.
Why teams work with Hash XR?
Since 2021, Hash XR has been a blockchain security firm built by practitioners who still work in the field. The desk writes Ethereum-oriented standards and ships audits that mix automated tooling with line-by-line reading. Engagements have covered well-known projects on Ethereum, BNB Smart Chain, Polkadot, HECO, Waves, COSMOS, and other live networks. Patented systems on our side help automate parts of contract, chain, and wallet audits. The aim is a Web3 that is harder to break.