Get a Quote

Blockchain?
We Cover It

We help blockchain teams deliver secure products through a collaborative effort that prioritizes transparency and security.

Get a QuoteOur Services

Our Clients

Piri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzzPiri-Piribera.buzz

Smart Contracts? We cover it

Protect your protocol

Security Review

Provides an in-depth assessment of your protocol to identify potential risks, vulnerabilities, and areas for improvement.

  • Manual Review of the Protocol
  • Protect User Funds
  • Optimize Gas Costs and Performance
  • Comply with Industry Standards
Get a QuoteGitbook
Bulletproof your protocol

Fuzzing Campaign

Helps uncover hidden vulnerabilities by stress testing your protocol with millions of inputs and call paths to identify deep security flaws.

  • Protocol Invariants Definition
  • Stateful Fuzzing Testing Suite
  • Uncover Complex Bugs
  • Validate Business Logic
Get a QuoteGitbook

Why Choose Coverage

+100 security issues uncovered

+100 security issues uncovered

With over 100 major vulnerabilities uncovered, we focus on securing smart contracts and strengthening the overall security posture of your protocol.

Highly customizable services

Highly customizable services

Engagements are fully tailored to your needs, with options to customize the number of engineers and the duration of the engagement to meet your specific requirements and timelines.

Full-spectrum code review

Full-spectrum code review

Beyond uncovering vulnerabilities, we deliver rigorous quality assurance, assess code maturity, and provide in-depth structural and dynamic diagrams to deepen the understanding of your protocol.

Clear communication at every stage

Clear communication at every stage

Our engagements follow a clear communication flow, including a kickoff call, weekly progress meetings, and a close-out call to ensure transparency, alignment, and effective collaboration.

Fix period review

Fix period review

Each engagement includes a two-week period to validate fixes for identified vulnerabilities, ensuring proper implementation without introducing new issues. Extensions are available if additional time is needed.

Portfolio

  • Berachain
    bera.buzz | Berachain
    Solidity | 3 February 2025
    View Report
  • Pulsechain
    Hex One Protocol | Pulsechain
    Solidity | 31 May 2024
    View Report
  • Pulsechain
    Hex One Protocol | Pulsechain
    Solidity | 6 March 2024
    View Report
View All

Latest News

SIR Exploit ~355k loss | Vulnerability Analysis
by Rafael Nicolau
18 April 2025

SIR Exploit ~355k loss | Vulnerability Analysis

On March 30th 2025, an attacker exploited a logic error in SIR's Vault contract resulting in a ~$355k loss.

Hashing dynamic types in EIP-712 signatures | Solidity Tip of the Week
by Rafael Nicolau
10 September 2024

Hashing dynamic types in EIP-712 signatures | Solidity Tip of the Week

Did you know that failing to hash dynamic types in EIP-712 signatures can break compatibility with wallets and dapps?

Format large values in Foundry for easier to read logs | Solidity Tip of the Week
by Rafael Nicolau
12 August 2024

Format large values in Foundry for easier to read logs | Solidity Tip of the Week

If you’ve ever struggled with interpreting large values in your solidity tests, you’re not alone! Learn how to format large values in Foundry for easier to read logs.