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Blog Articles

  • Top 10 Cybersecurity Companies in 2026

    Choosing a security firm

    Top 10 Cybersecurity Companies in 2026

    The top 10 cybersecurity companies below are ranked for one buyer: a team shipping a product that has smart contracts on one side and a web application, an API and a cloud account on the other. Each entry was checked on September 3, 2026 against the firm's own published material, and the three archives that sit on GitHub were counted through the API rather than estimated. One of the ten publishes price bands and lead times before the sales call, and the other nine quote on request.

    14 min read

  • Crypto Incident Response: A Protocol Team Playbook

    Operations

    Crypto Incident Response: A Protocol Team Playbook

    Start crypto incident response by assigning authority, preserving the first evidence and checking which containment actions the deployed system can execute. Our census of 84 public SEAL 911 log entries includes 10 takeover labels, making domain and account recovery relevant to the exercise as well as contract controls. Keep notification, containment and confirmed recovery as separate states.

    12 min read

  • Perpetual DEX Security: Liquidations, Funding, Oracles and ADL

    Verticals

    Perpetual DEX Security: Liquidations, Funding, Oracles and ADL

    A perpetual DEX security audit tests margin accounting, liquidation execution and who absorbs losses when normal settlement fails. Our snapshot resolved the margin rules for 177 Hyperliquid markets, including 34 with multiple tiers. Use that configuration inventory alongside a venue-specific loss model when commissioning the review.

    11 min read

  • RWA Token Security: ERC-3643 Controls, Custody and Holder Rights

    Verticals

    RWA Token Security: ERC-3643 Controls, Custody and Holder Rights

    A review of RWA token security depends on both implemented token controls and the evidence supporting the holder's asset claim. Our pinned T-REX reference scan found 14 direct role gates among 27 mutating declarations, plus batch paths that need separate interpretation. Use that distinction to scope identity, transfer and custody review.

    12 min read

  • A Developer's Guide: A Framework setup

    HASHEX

    A Developer's Guide: A Framework setup

    Developers often ask how to correctly, efficiently and securely set up a framework for developing smart contracts. This guide aims to help new developers do it quickly and conveniently.

  • How to Publish a Security Disclosure Policy a Whitehat Will Actually Use

    Disclosure and bounties

    How to Publish a Security Disclosure Policy a Whitehat Will Actually Use

    A security disclosure policy is the published set of rules that tells a researcher where to send a vulnerability report, what they may test and what happens next. On September 2, 2026, only 3 of the 30 largest DeFi protocols by TVL served a security.txt file, and one of those three met RFC 9116. This guide gives protocol teams the policy wording, the file, the SEAL Safe Harbor steps and the response deadlines, each tied to a published source or to the terms real adopters set.

    16 min read

  • ERC20 Token Audit: The Listing Packet and Free Self-Checks

    EVM patterns

    ERC20 Token Audit: The Listing Packet and Free Self-Checks

    Before listing, an issuer needs evidence for token behavior and the integrations that rely on it. An ERC20 token audit ties that evidence to a revision, current authority and the remaining compatibility limits.

    12 min read

  • Must-Check: The Complete Smart Contract Audit Checklist!

    CyStack

    Must-Check: The Complete Smart Contract Audit Checklist!

    Blockchain is supposed to be secure for all participants. However, it is not possible if the company does not strictly follow the smart contract audit checklist for blockchain readiness. Reports revealed that 5% of blockchain smart contracts were vulnerable to users' data leakage, information loss and funding lock.

  • 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.