Null Return
Smart Contract Audits & Blockchain Infrastructure Security
Overview
About Null Return
Null Return is an independent security team based in Novi Sad, Serbia, founded in 2025. We help teams identify security risks in smart contracts, DeFi protocols, and blockchain infrastructure.
Our services include smart contract audits, security architecture reviews, pre-audit assessments, and reviews of key management, signing systems, cloud KMS integrations, and access controls. Our work includes DZap, 2xSwap, and a Canton KMS driver for Launchnodes.
Public audit reports: https://github.com/nullreturn-io/audits. Contact [email protected] to discuss your project and security review scope.
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Focus
Service Focus of Null Return
How the team's effort is distributed across services.
Industries Focus
The Positioning
AI Tools & Purpose
The stack the team uses to move faster.
Client Portfolio of Null Return
Where their work concentrates - by industry, budget, and timeline.
Clients: 3
Where we are
Locations (1)
Offices where Null Return operates.
Serbia
Novi Sad, Vojvodina 21000