ABDK Consulting

ABDK Consulting is a leading Web3 security and cryptography consulting firm founded in 2016, specializing in smart contract audits, zero-knowledge proofs, and blockchain security. Since its inception, the company has established itself as a top service provider in the design and security of Web3, conducting over 292 audit projects for more than 136 companies, securing over $118.74 billion in market cap, and identifying 331 critical vulnerabilities.

Core Services

ABDK offers four primary service lines:

Smart Contract Audits: The company has audited some of the most prominent DeFi protocols including Uniswap v3 and v4, Aave v3, 1inch, Starkware, and many others. Their audit portfolio demonstrates expertise across multiple blockchain platforms including Ethereum L1, L2 solutions, and alternative chains. The team has found over a thousand critical bugs throughout their 7+ years of audit experience, with a proven track record of identifying vulnerabilities that could compromise billions of dollars in assets.

Research Services: ABDK advises clients on making optimal architectural and security decisions for blockchain and cryptographic systems. The team has authored top cryptography publications in zero-knowledge proofs and developed mathematical models for leading DeFi protocols like Uniswap and Yield Protocol. They collaborate with top researchers on cutting-edge problems and provide transparent rates and timelines for research engagements.

Consulting Services: The firm offers one-time or series consultations on the design, development, or usage of decentralized finance and cryptography. Their consulting practice serves top players in the industry, with designs used in hundreds of applications. The team is engaged in developing standards for blockchain and cryptography, ensuring clients benefit from industry-leading expertise and best practices.

AI & LLM Security Audits: Recognizing the convergence of AI and blockchain, ABDK has expanded into AI and large language model security audits. Their comprehensive audits address threats based on OWASP LLM Top 10 2025 and MITRE ATLAS frameworks, aligned with regulatory requirements such as the EU AI Act. They test for prompt injection, sensitive information disclosure, supply chain vulnerabilities, data poisoning, and other AI-specific attack vectors.

Technical Expertise

The company's expertise spans four critical domains:

Smart Contracts: With experience across Solidity, Cairo, and other smart contract languages, ABDK has developed widely-used open-source libraries including ABDK Solidity math libraries and the Poseidon hash implementation.

Zero Knowledge: The team designs and audits SNARK circuits for privacy protocols and zkVM implementations, contributing to the advancement of zero-knowledge technology in the blockchain space.

Cryptography: ABDK develops and analyzes cutting-edge cryptographic protocols and schemes, bringing academic rigor and industry experience to complex security challenges.

DeFi: The firm constructs, audits, and optimizes DeFi protocols for top industry players, with deep expertise in automated market makers, lending protocols, liquid staking, and other financial primitives.

Key Strengths

ABDK distinguishes itself through several competitive advantages:

• Independence: Maintaining objectivity and unbiased assessments in all security reviews
• Time commitment: Dedicated focus on each client engagement with transparent working plans
• Designated approach: Customized methodology for each project with clear milestones and deliverables
• Internal cross-review: Quality assurance through peer review processes
• Follow-up guidance: Ongoing support after audit completion
• Full confidentiality: Strict data protection and non-disclosure practices

Notable Clients and Projects

ABDK has established partnerships with industry leaders including Uniswap, Aave, Starkware, Starknet, 1inch, Scroll, Notional Finance, Yield Protocol, Maverick Protocol, ZKLink, and Master Labs. Their work includes collaboration with Uniswap on tick design for v3, which represents a fundamental innovation in concentrated liquidity AMMs.

Recent audit highlights include:

• Enso shortcuts client contracts (January 2026)
• RedStone MultiFeed Adapter oracle system (January 2026)
• Term Structure TMX token and TermMax V2 protocol
• Lombard Bitcoin liquid staking protocol
• Stakewise v3 core multi-chain liquid staking
• XO Market prediction market contracts

The portfolio demonstrates consistent identification of critical and major vulnerabilities, with all issues tracked through to resolution, ensuring clients deploy secure, production-ready systems.

Why Choose ABDK Consulting

Organizations choose ABDK for its unique combination of academic cryptography expertise and practical blockchain engineering experience. The team solves problems that are too technically complex for competitors, bringing research-level rigor to commercial security audits. Their transparent methodology, detailed findings, and actionable remediation guidance help clients not only fix vulnerabilities but understand the underlying security principles. With over 473,000 lines of code audited and a track record spanning from the early days of Ethereum to the latest zero-knowledge and AI innovations, ABDK Consulting represents the gold standard in Web3 security assurance.