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Blog Articles

  • A Look inside a Smart Contract Audit

    HashEx

    A Look inside a Smart Contract Audit

    Auditing smart contracts is a vital part of building up security in DeFi. For all we know now about why we need to do it, we know very little about the process itself and what is it that auditors actually do. To figure this out, we went to the source and interviewed the CTO of a DSA member HashEx: Gleb Zykov.

  • Smart Contract Backdoors: Trace the Owner Privilege Surface

    Token risk

    Smart Contract Backdoors: Trace the Owner Privilege Surface

    Hidden authority becomes visible by tracing who can reach a balance change or replace the rules. Smart contract backdoors require that analysis, while documented privileges need a clear statement of their limits.

    12 min read

  • Smart Contract Audit Contest vs Private Audit: A Vendor-Neutral Decision Guide

    Audit alternatives

    Smart Contract Audit Contest vs Private Audit: A Vendor-Neutral Decision Guide

    Code4rena, the platform that made the smart contract audit contest famous, is closing its doors, which changes the answer for every team choosing between a contest, a private firm and a bug bounty. This guide prices contests and private review from platform data read on September 4 2026, across 40 finished contests on two platforms, and describes the bounty layer rather than pricing it. It ends with a routing rule that survives the disappearance of any single venue.

    16 min read

  • Signature Replay Attack Variants in Smart Contracts and the Check That Catches Each

    Attack classes

    Signature Replay Attack Variants in Smart Contracts and the Check That Catches Each

    A signature replay attack reuses bytes the real owner already signed. It needs no forged signature: a verifier accepts the authorization in an unintended context or lets a one-use request execute again. This guide maps common authorization gaps to auditor checks, then measures what 155 member firm reports actually say.

    16 min read

  • Why we need better launch models in crypto world?

    SPONSORED ARTICLE WAGMI BY CONTRACTCHECKER

    Why we need better launch models in crypto world?

    In the world of cryptocurrency, launches play a crucial role in the success or failure of a new project. A well-planned and executed launch can help a project gain traction, attract investors and establish itself in the market.

  • Reentrancy attack variants and a practical callback test matrix

    Attack classes

    Reentrancy attack variants and a practical callback test matrix

    Callbacks become dangerous when another reachable operation can use unfinished accounting. A reentrancy attack review must cover shared state, downstream consumers and the actual protection in the deployed version.

    12 min read

  • Smart Contract Audits Pricing Explained

    DeFi Security Alliance

    Smart Contract Audits Pricing Explained

    While approaching an auditor, the first thing a client wants to know is always the price. Some would be more secretive, while others would list offers right there on the main page. However, it still helps to know what the difference is and how the price is formed.

  • AI and blockchain: a 2,000-case alert exercise

    Blaize

    AI and blockchain: a 2,000-case alert exercise

    A reproducible synthetic alert exercise explains the base-rate problem, followed by evidence requirements for AI-assisted security reviews and controls on response authority.

  • 5 Most Common Vulnerabilities You Need to Know in 2022

    DSA

    5 Most Common Vulnerabilities You Need to Know in 2022

    The blockchain industry is making big steps toward achieving security for all participants, however, it's still not a done deal just yet. Hackers come up with new ways to exploit vulnerabilities and steal funds. Sadly, this lowers the trust in blockchain technology.

  • Smart Contract Audit RFP: Scope and Comparable Deliverables

    Audit process

    Smart Contract Audit RFP: Scope and Comparable Deliverables

    Comparable quotes begin with the same code boundary and requested evidence. A smart contract audit RFP should make scope differences and fix-review terms visible before price determines the decision.

    12 min read

  • Honeypot Token Detection: How Checkers Work and the Four Contract Patterns That Beat Them

    Token risk

    Honeypot Token Detection: How Checkers Work and the Four Contract Patterns That Beat Them

    Every honeypot token detection service answers with a simulated trade, not with a statement about the token. A checker buys and sells against one live pair at one block, then reports what happened to that trade. This guide takes the method apart, names the four contract patterns that survive it, and reports our own run of 150 tokens through two public checkers on September 4, 2026.

    16 min read

  • MiCA Security Obligations: Entity Scope, DORA and Audit Evidence

    Personas and market

    MiCA Security Obligations: Entity Scope, DORA and Audit Evidence

    Security duties depend on the entity and activity being regulated. MiCA security obligations connect to DORA and operational controls, so a smart contract audit can support technical evidence without establishing authorization or full compliance.

    11 min read

  • DeFi Hack Post Mortem: Evidence, Recovery and Repair

    Operations

    DeFi Hack Post Mortem: Evidence, Recovery and Repair

    A credible DeFi hack post mortem connects a verified timeline, the violated security property and evidence that the repair was checked. Recovery amounts and audit coverage need separate records; an incident archive cannot fill gaps in either.

    12 min read

  • Understanding Crypto: Why Do Investors Need Expert Opinion

    Contract Checker

    Understanding Crypto: Why Do Investors Need Expert Opinion

    Whether you're a shrimp or a whale, if you're swimming in this ocean, you have to learn how to keep yourself safe. Contract Checker offers you the most secure environment. The cryptocurrency world is fast-paced and full of new notions. The industry abounds with innovative solutions aimed at decentralizing control and ownership of digital assets, ranging from initial coin offerings (ICOs) to decentralized exchanges.

  • Solidity Static Analysis: Triage Findings by Impact and Confidence

    Tooling

    Solidity Static Analysis: Triage Findings by Impact and Confidence

    Treat scanner output as a set of claims to investigate. Solidity static analysis triage should preserve the reported impact and confidence, then establish reachable behavior before a finding is fixed, suppressed or sent to an auditor.

    12 min read