McKinley's Technologies · Web3 Security

Institutional-Grade
Web3 Security.
Rigorous by Design.

McKinley's Technologies is a smart contract security and blockchain assurance firm. We help serious Web3 teams build, launch, and scale with confidence through rigorous audits across all major blockchain languages, pre-audit assessments, and remediation-focused guidance.

Covered Languages SolidityRustVyper MoveCairoYul Scrypto+ More
0+
Audits Completed
100%
Manual Review Methodology
0
Languages Covered
7
Audit Verticals
50+ security reviews completed
All major blockchain languages
EVM, DeFi and protocol infrastructure
Remediation focused from start to finish
Security review beyond the surface level

Built for teams who need more than a checklist.

We review smart contracts and protocol logic with focus on what actually matters at launch. Exploitable vulnerabilities, privilege and access control risks, economic attack surfaces, upgrade and proxy risks, and cross contract integration weaknesses.

Our approach is practical, technical, and commercially aware. We work across Solidity, Rust, Vyper, Move, Cairo, and all major smart contract languages. We do not just identify issues; we help teams understand, prioritise, and remediate them before they become incidents.

View All Services
Review Focus Areas
01Exploitable Vulnerabilities
02Privilege and Access Control Risks
03Economic and Incentive Attack Surfaces
04Upgrade, Proxy and Admin Risks
05Launch Readiness and Deployment Weaknesses
06Cross Contract and Integration Risks
Multi-language coverage

Not limited to Solidity.

We audit smart contracts across all major blockchain languages. Your stack determines our scope, not the other way around.

Solidity
Ethereum, EVM chains
Rust
Solana, NEAR, Polkadot
Vyper
Ethereum, EVM chains
Move
Aptos, Sui
Cairo
StarkNet, Layer 2
Yul / Assembly
EVM low-level
Scrypto
Radix
+ Others
Assessed per scope
Core services

Scoped to your stage, stack, and risk profile.

Smart Contract Audit

Structured technical assessment of your codebase across all major blockchain languages. Severity classified findings with remediation guidance included.

Learn more
Soft Audit

A focused pre-audit security review for teams seeking meaningful technical feedback before committing to a full formal engagement. Identify critical issues early.

Learn more
Protocol Security Review

System level assessment covering design, role structures, governance pathways, treasury controls, and economic attack surfaces for complex protocols.

Learn more
Audit Readiness Review

A structured pre-engagement review assessing code maturity, documentation quality, test coverage, and deployment assumptions before your formal audit begins.

Learn more
dApp and Off-Chain Review

Assessment of front-end interaction risks, admin logic, wallet flows, signing assumptions, backend dependencies, and cross system trust boundaries.

Learn more
Technical Due Diligence

Independent technical risk review for investors, allocators, and partners covering architecture risk, codebase maturity, admin governance, and exploit exposure.

Learn more
Why teams work with us

Security review built on judgment, not automation.

01 — Technical Depth
Manual, security first review.

Every engagement is researcher led and hands on. We focus on exploit paths, logic flaws, and systemic risk. Not surface level commentary generated by scanners. Judgment cannot be automated.

02 — All Major Languages
Your stack is not a constraint.

We work across Solidity, Rust, Vyper, Move, Cairo, and other blockchain languages. Coverage is assessed per scope. Your choice of language and chain does not limit what we can review.

03 — Clear Findings
Designed to help you fix issues.

Our output is built for remediation, not just reporting. Findings are structured, prioritised, and accompanied by actionable guidance that development teams can execute on immediately.

04 — Founder Aligned
You are never left figuring out where to start.

Clear, staged guidance that fits your development cycle. We support teams from early codebase review through full audit readiness without compromising depth at any stage.

Get started

Building something that cannot afford a security mistake?

McKinley's Technologies helps Web3 teams identify and resolve security risk before the market does.

Services

Security review scoped to your build.

Each engagement is designed around your stage, your stack, and your risk profile. No one size fits all packages.

01 — Smart Contract Security Audit

Structured. Manual. Remediation focused.

Our smart contract audit is a structured technical assessment of your codebase, protocol logic, and architecture. We identify vulnerabilities, design weaknesses, trust assumptions, and exploit vectors across all major blockchain languages including Solidity, Rust, Vyper, Move, Cairo, and Yul.

Suitable for protocols at or approaching mainnet, teams undergoing investor diligence, and systems that require a formal reportable security attestation.

Language coverage

We audit contracts written in Solidity, Rust, Vyper, Move, Cairo, Yul, Scrypto, and other languages on a scope assessed basis. Confirm your stack when requesting an engagement.

Scope may include:
  • Line by line contract review across all languages in scope
  • Architecture and flow analysis
  • Access control review
  • Reentrancy and state transition analysis
  • Upgrade and admin privilege assessment
  • Oracle and dependency review
  • Arithmetic and accounting logic checks
  • Business logic vulnerability identification
  • Severity based finding classification
  • Remediation guidance per finding
  • Remediation review on fixed issues
02 — Soft Audit

Meaningful security feedback before full engagement.

A Soft Audit is a focused pre-audit security review designed for early-stage protocols and teams preparing for a more formal engagement. Ideal for MVPs, pre-testnet launches, and teams wanting to improve security posture before committing to a full audit round.

Full Soft Audit Overview
Deliverables may include:
  • Identified critical and high risk issues
  • Logic concerns and flow weaknesses
  • Key access control observations
  • Code quality and maintainability comments
  • Launch readiness red flags
  • Priority remediation notes
Important note

A Soft Audit is not a substitute for a full formal audit. It is a pre-audit check intended to improve security posture and codebase readiness.

03 — Protocol Security Review
System level risk assessment.

Considers system design, role structures, governance, treasury controls, emergency powers, upgrade mechanisms, cross contract flows, and economic attack surfaces.

  • Governance pathways and voting logic
  • Treasury controls and emergency pause mechanisms
  • Proxy and upgrade risk pathways
  • Protocol level failure scenario modelling
04 — Audit Readiness Review
Enter your audit prepared.

Many projects approach a formal audit too early. Our readiness review helps you prepare by assessing code maturity, documentation quality, test coverage, and deployment assumptions.

  • Code completeness and documentation quality
  • Test coverage and scope clarity
  • Privileged role mapping
  • Known issue disclosure assessment
05 — dApp and Off-Chain Security Review
Security beyond the contract layer.

Front-end interaction risks, admin panel logic, wallet connection flows, signing assumptions, backend dependencies, off-chain services and relayers, and cross system trust boundaries.

06 — Technical Due Diligence
Independent technical risk review for investors.

Architecture and design risk, codebase maturity signals, admin and governance risk, exploit exposure overview, dependency concentration, and security posture summary for allocators and partners.

Ready to scope your engagement?

Tell us about your protocol and we will confirm the right audit type, timeline, and scope.

Audit Process

Structured from scope to final report.

A consistent, researcher led process designed to identify risk thoroughly and support your team through remediation.

01
Scope Alignment

We begin by understanding the protocol, business logic, repository structure, deployment stage, and the precise contracts or components in scope. Clear scope prevents expansion and ensures depth where it matters.

02
Architecture and Threat Review

We analyse the system design, asset flows, trust assumptions, role privileges, upgradeability, dependencies, and likely attack surfaces before touching the code, building an adversarial model of the protocol.

03
Manual Code Review

Detailed, line by line code review with attention to correctness, exploitability, logic flaws, and security anti-patterns. Researcher led. No automated scan substitution. Covers all languages in scope.

04
Security Testing and Validation

Targeted testing, static analysis, and technical validation to stress-test assumptions and confirm or challenge identified risk vectors. Findings are validated before classification.

05
Initial Findings Report

A structured report setting out all identified vulnerabilities, impact assessment, severity classification, and recommended remediation actions designed for both technical and non-technical stakeholders.

06
Remediation Review

After fixes are implemented by your team, we review the implemented changes and confirm whether identified issues have been fully, partially, or insufficiently resolved.

07
Final Report

A final report is issued reflecting resolved issues, outstanding considerations, and the final reviewed scope. This constitutes the attestable deliverable from the engagement.

What you will need to provide
To start an engagement
  • Repository access (private or public)
  • Contract list in scope
  • Protocol overview or documentation
  • Deployment stage and chain
  • Language and framework details
  • Testing status and coverage
  • Known issues or priority concerns
  • Preferred timeline
  • Any prior audit reports
Timeline expectations

Most engagements range from one to four weeks, depending on scope size, code complexity, documentation quality, and team responsiveness during remediation.

Discuss Your Timeline
Soft Audit

Practical security review before a full audit.

For many teams, the best first step is not a full formal audit. It is a sharp, technically informed pre-audit review that helps uncover major risk early.

Who it is for
Built for early stage teams.
  • Early-stage DeFi teams and MVP-stage products
  • Pre-launch and pre-testnet protocols
  • Teams at pre-audit stage wanting to validate security posture
  • Projects preparing for a formal audit round
  • Teams wanting a second set of eyes before deployment
  • Protocols seeking early investor diligence support
  • Projects on any major blockchain language stack
What it covers
Material risk, surfaced early.
  • Contract level red flags and obvious exploit vectors
  • Privilege and role risks
  • Core accounting and logic issues
  • Structural weaknesses in system design
  • Launch readiness concerns
  • Prioritised remediation guidance
  • Code quality and maintainability observations
🔍
Identify material vulnerabilities early

Surface issues early enough to fix them before they compound. Before the market, investors, or attackers find them first.

Reduce obvious exploit risk

Help founders prioritise fixes and eliminate high confidence exploit paths before committing to a full formal engagement.

📋
Improve code quality

Receive clear observations on code structure, quality, and maintainability, improving the codebase for a deeper audit.

🚀
Prepare for formal audit

Ensure your protocol is better positioned for a formal engagement, reducing scope uncertainty and maximising audit efficiency.

What it does not claim to be
Transparency on scope and limitations.

A Soft Audit is not a certification, guarantee, or replacement for a full formal security audit. It is a practical first-layer assessment designed to meaningfully improve your security posture before a formal engagement. We are direct about this distinction in all communications and deliverables.

Not sure if you need a full audit yet?

Start with a Soft Audit. Get real security value at your current stage, with a clear path to full engagement when you are ready.

What We Audit

Security review across the Web3 stack.

We provide security reviews across a range of Web3 and blockchain systems, from DeFi protocols and token infrastructure to dApps and novel architecture, in any major blockchain language.

DeFi Protocols
  • Automated Market Makers
  • Vaults and treasury contracts
  • Staking and restaking systems
  • Reward distribution logic
  • Liquidity management contracts
  • Lending and borrowing mechanisms
Token Infrastructure
  • ERC-20 and fungible token systems
  • Vesting and lock-up logic
  • Treasury controls
  • Mint and burn permissions
  • Admin managed token frameworks
Governance and Control Systems
  • DAO governance modules
  • Voting logic and timelocks
  • Multisig linked controls
  • Privileged execution pathways
  • Emergency pause mechanisms
Upgradeable Systems
  • Proxy contract patterns
  • Upgrade roles and access
  • Initialisation logic review
  • Storage layout concerns
  • Implementation risk pathways
dApps and Integrated Systems
  • Front-end interaction logic
  • Protocol integrations
  • Access flows and permissions
  • Wallet connection assumptions
  • Backend and operational dependencies
Bridges and Cross-Chain
  • Bridge contract security
  • Cross chain message validation
  • Relayer and oracle trust assumptions
  • Locking and release logic
  • Economic and finality assumptions
Custom and novel architecture
Building something that does not fit a standard category?

We work with teams building custom protocol logic and novel architecture across any major blockchain language. Scope is assessed on a per-engagement basis during initial consultation.

Discuss Your Protocol
About

McKinley's Technologies.

The Web3 security and audit vertical of McKinley's TnT International. A smart contract and protocol security firm focused on practical, high-quality security review across all major blockchain languages.

Who we are
Focused, founder led, security first.

McKinley's Technologies is a focused, founder led firm. Our team brings hands-on experience from smart contract development, protocol engineering, and security review work across Web3 systems, covering all major blockchain languages and platforms.

Our mission is straightforward: to help serious teams build with greater security, launch with greater confidence, and operate with greater technical credibility.

We are a security first firm and not a generic blockchain agency. Our focus is narrow by design: smart contract security, protocol assurance, and audit readiness across all major languages and chains.

Technical rigour

Researcher led, manual review across all languages in scope. No automated scan substitution.

Honest risk assessment

We tell you what we find, classified accurately. No finding inflation, no minimisation.

Commercially aware guidance

Security advice that fits your development cycle, timeline, and launch constraints.

Security as an enabler

Strong security is a commercial asset for adoption, trust, and long-term protocol viability.

"Security is not a checklist. It is a discipline applied with judgment before the market applies it for you."

McKinley's Technologies · Founding Principle
Division of McKinley's TnT International
Website: mckinleysinternational.com
Focus: Smart contract security and protocol assurance
Coverage: All major blockchain languages and EVM chains
Methodology: Manual review first, always
Resources

Security intelligence, in real time.

Curated blockchain security news from verified sources, alongside practical guidance for builders and founders in the Web3 space.

Live intelligence feed

Blockchain Security News

Real-time coverage of exploits, vulnerabilities, audits, and security developments across the Web3 ecosystem, drawn from credible and verified sources.

From our team

Security notes and practical guidance.

Smart Contracts
What a Smart Contract Audit Actually Does

A clear breakdown of what formal audit methodology involves, including scope, process, deliverables, and what it does and does not guarantee.

Coming Soon
DeFi
Common DeFi Vulnerabilities Found Before Launch

Patterns from pre-launch protocol reviews: the issues that appear most frequently and how they are identified before they become exploits.

Coming Soon
Readiness
Audit Readiness Checklist for Founders

Practical guidance for getting your codebase, documentation, and scope into audit-ready condition before you engage a security firm.

Coming Soon
Access Control
Why Access Control Mistakes Still Break Protocols

Access control vulnerabilities remain among the most commonly exploited weaknesses in deployed smart contracts. An analysis of why this persists.

Coming Soon
Methodology
Soft Audit vs Full Audit: When to Use Each

A practical decision framework for choosing the right level of security engagement at each stage of your protocol's development lifecycle.

Coming Soon
Architecture
Upgradeability Risks Teams Often Underestimate

Proxy contracts introduce security assumptions that are frequently misunderstood. A technical overview of where upgrade mechanisms introduce risk.

Coming Soon
FAQ

Frequently asked questions.

Answers to common questions about our process, services, and how engagements work in practice.

A smart contract audit is a structured security review of smart contract code, system logic, and related technical assumptions. The purpose is to identify vulnerabilities, design weaknesses, and exploit risks before or after deployment. A formal audit typically covers line by line code review, architecture analysis, access control assessment, and severity based classification of findings with remediation guidance. We conduct audits across all major blockchain languages including Solidity, Rust, Vyper, Move, Cairo, and others.
No. We cover all major blockchain smart contract languages including Solidity, Rust, Vyper, Move, Cairo, Yul, and Scrypto, among others. Where engagements involve less common languages or frameworks, we assess coverage capability during initial scoping and confirm before commencing work. Your choice of language and chain is not a constraint on what we can review.
A Soft Audit is a focused and economical pre-audit security review intended to identify major issues and improve audit readiness before a fuller formal engagement. It is designed for early-stage teams who want meaningful security feedback without the full scope of a formal audit, and who plan to proceed to a formal audit as their protocol matures.
No. A Soft Audit is an initial security assessment, typically narrower in scope, depth, and formality. A full audit is broader, more formal in reporting and remediation review, and is the appropriate engagement for protocols approaching or past mainnet deployment. We are direct about this distinction in all communications and deliverables.
Typically, we need:
  • Repository access (private or public)
  • Contract list in scope
  • Protocol overview or documentation
  • Deployment stage and chain
  • Language and framework details
  • Testing status and coverage
  • Known issues or priority concerns
  • Desired timeline
  • Any prior audit reports or security work already completed
Timelines vary based on scope size, code complexity, documentation quality, and deployment maturity. Most engagements range from one to four weeks. We discuss timing during initial scoping and confirm a realistic timeline before commencing work.
Where confidentiality permits, selected findings, case studies, or reports may be published. This is determined on a per-engagement basis in consultation with clients. We do not publish any engagement deliverables without explicit client agreement. Our confidentiality obligations are described in full on our Confidentiality page.
Yes. In many cases, pre-launch and audit-readiness review is where security engagement adds the greatest value, identifying issues while remediation is still low-cost and before deployment locks in risk. We actively encourage pre-mainnet engagement.
All client information, repository access, and engagement deliverables are treated as strictly confidential. We do not disclose client identities, codebases, findings, or any engagement details to third parties without explicit written consent. Full details are available on our Confidentiality page.

Have a question not covered here?

Get in Touch
Confidentiality

Client confidentiality is the foundation of every engagement.

McKinley's Technologies treats all client information as strictly confidential by default. Our obligations extend from first contact through the full lifetime of any engagement deliverable.

1. Default Confidentiality

All information received from clients, including but not limited to repository access, protocol documentation, business logic descriptions, codebase contents, findings, reports, and communications, is treated as confidential from the moment of first contact.

Confidentiality is the default position, not a negotiated term. No action is required from clients to invoke it.

2. Repository and Codebase Access

Repository access granted for the purpose of an audit or review engagement is used solely for that engagement. We do not retain, copy, or store client codebases beyond the period reasonably required to complete the engagement and deliver findings.

Repository credentials and access tokens are not shared with any third party under any circumstances.

3. Findings and Report Handling

All audit reports, findings, and related deliverables are provided exclusively to the client. We do not publish, share, distribute, or reference any engagement deliverable in any form without the explicit prior written consent of the client.

Where a client requests publication of a report or findings summary, publication terms including scope, format, and attribution are agreed in writing before any disclosure is made.

4. No Unauthorised Disclosure

We do not disclose the existence of an engagement, the identity of a client, or any details of the work performed to any third party, including media, other clients, or industry contacts, without explicit written authorisation from the client.

This obligation survives the conclusion of any engagement and applies indefinitely unless expressly modified in writing by the client.

5. Team Access Controls

Access to client materials within McKinley's Technologies is restricted on a need-to-know basis. Only team members directly assigned to an engagement are granted access to that engagement's materials.

Internal communications regarding client engagements are conducted through secure, access-controlled channels.

6. Mutual Confidentiality

Where McKinley's Technologies shares proprietary methodology, tooling information, or internal process documentation with a client in the course of an engagement, we expect equivalent confidentiality obligations to apply in return.

Mutual confidentiality terms can be formalised through a Non-Disclosure Agreement at the client's request prior to commencing any engagement.

7. Responsible Disclosure

In the event that a critical or high-severity vulnerability is identified that poses an immediate and material risk to third parties beyond the client's protocol, such as in the case of a shared dependency or integrated protocol, McKinley's Technologies reserves the right to discuss appropriate responsible disclosure procedures with the client.

Any such discussion will be conducted privately with the client first, and no disclosure to third parties will be made without client agreement except where required by applicable law.

8. Contact Regarding Confidentiality

For any questions regarding our confidentiality practices, to request a formal NDA, or to discuss publication of any engagement deliverable, please contact us at:

Admin@McKinleysInternational.com

This confidentiality policy was last reviewed by McKinley's TnT International in 2025. Copyright registration pending. All rights reserved.

Contact

Request an audit.

If you are building a DeFi protocol, smart contract system, dApp, or blockchain infrastructure component, we are ready to scope your engagement.

Company
McKinley's Technologies
Division of
McKinley's TnT International

Response Time
Within 1 to 2 business days
Language Coverage
Solidity, Rust, Vyper, Move, Cairo, Yul and more
Engagements
Scoped individually. No fixed packages.

Currently accepting new engagements