Cantina Blog

Navigate Web3 security through shared knowledge.

Cantina’s global on-call teams assess, verify, and approve transactions with live response and contextual risk triage

Securing Transactions With Cantina Multisig

Cantina Multisig safeguards Web3 protocols by validating transactions with human verification and real-time security intervention.
Paul
May 20, 2025
Best Practices
Best Practices
2025 multisig security: Attackers now bypass traditional safeguards by compromising complete signing infrastructures. Discover defense strategies.

Multisig Security: Evolving Threats in 2025

Multisig security risks: Attacks now target entire signing infrastructures, not just keys. Learn how to protect your assets from these evolved threats.

$2M Ethereum Pectra security challenge: Join to create content, tools & resources for the future of blockchain security.

Cantina x Ethereum Foundation: Pectra Learning Quest

To celebrate our $2M competition with the Ethereum Foundation, we’re also launching the Pectra Learning Quest centered around the Ethereum Pectra Upgrade

Pectra upgrade banner: exclusive competition announcement.

Ethereum Foundation Pectra Security Competition

Learn more about the exclusive rewards on offer as part of Cantina's security competition with the Ethereum Foundation for their latest upgrade Pectra.

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Cantina simulates prover behavior and edge-case conditions to surface hidden vulnerabilities

ZKP Security Flaws Auditors Commonly Overlook

Cantina uncovers the real risks in ZKP systems , where flawed integration, weak state logic, and unsafe assumptions lead to critical failures.
Paul
May 23, 2025
Best Practices
Best Practices
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2025-05-23
Cantina’s global on-call teams assess, verify, and approve transactions with live response and contextual risk triage

Securing Transactions With Cantina Multisig

Cantina Multisig safeguards Web3 protocols by validating transactions with human verification and real-time security intervention.
Paul
May 20, 2025
Best Practices
Best Practices
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2025-05-20
Improving collaboration and automation in Cantina with new workflows and notification features

Cantina Updates: Smarter Reviews and Unified Workflow

Cantina introduces new workflow upgrades: improved mentions, smarter notifications, unified dashboards, and advanced Zapier automation triggers.
Paul
May 15, 2025
News
News
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2025-05-15
Cantina product update showcasing new bug bounty features, account controls, and improved client workflow tools.

New Cantina Features for Bounties & User Control

Explore Cantina’s new features: reward visibility, redesigned bounty pages, email updates, self-serve tools, and improved client workflows.
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Hilary
May 1, 2025
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News
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2025-05-01
Solana’s speed comes with unique risks—learn how to secure your smart contracts and protect against outages and exploits.

Solana Security Risks, Issues & Mitigation Guide

A guide to Solana security: common smart contract flaws, network risks, and key practices to protect your Solana-based project.
Hilary contributor avatar
Hilary
April 28, 2025
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News
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2025-04-28
Raoul and Vinod from Story Protocol explain IP protection and DeFi security challenges in the AI age on Cantina TV.

IP Security in Web3: Story Protocol on Cantina TV

Explore how Story Protocol secures and monetizes IP in the AI era. Learn from their team’s insights on Cantina TV about protecting creators in Web3.
Hilary contributor avatar
Hilary
April 18, 2025
News
News
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2025-04-18
Level Money co-founder featured in stablecoin insights banner on Web3 security.

Stablecoins in Web3 Security: Level Money’s Vision

Explore the future of stablecoins with Level Money’s co-founder. Discover how Web3 security and DeFi-native stablecoins are shaping financial innovation.
Hilary contributor avatar
Hilary
April 17, 2025
News
News
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2025-04-17
Security researcher profile layout with earnings, findings, rank, and badges on Cantina.

New on Cantina: Profiles, Filters, Zapier & Payments

Explore Cantina’s latest updates: enhanced researcher profiles, better filtering, expanded Zapier integration, and a streamlined payments page.
Hilary contributor avatar
Hilary
April 15, 2025
News
News
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2025-04-15
Case study showcasing how Alchemy partnered with Spearbit and Cantina to enhance Web3 security for smart wallets and rollups.

Alchemy Case Study: Elevating Web3 Security

Explore how Alchemy boosted its Web3 security through audits and a bug bounty migration to Cantina, improving resilience across smart wallet systems.
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Hilary
April 11, 2025
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News
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2025-04-11
From audits to competitions, explore Cantina’s latest features built to boost collaboration and insight.

Cantina's April 2025 Updates | New Features

Cantina’s April updates bring web-based audit reports, a new code review UI, and real-time competition stats—built to enhance collaboration and visibility.
Hilary contributor avatar
Hilary
April 1, 2025
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News
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2025-04-01
Free 30-day bug bounty cover from Cantina—protect your launch, reduce risk, and simplify your security with one trusted partner

Cantina Bug Bounty Cover: End-to-End Security

Launch with confidence. Get up to $300K in free bug bounty coverage for 30 days post-launch with Cantina—your end-to-end security partner.
Hilary contributor avatar
Hilary
March 27, 2025
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News
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2025-03-27
Story Protocol ecosystem security program powered by Cantina, featuring digital protection for creator projects and IP infrastructure.

Cantina x Story Protocol: Ecosystem Security Program

Cantina partners with Story Protocol to provide security services for decentralized IP projects. Access credits, tailored engagements, and expert support.
Hilary contributor avatar
Hilary
March 20, 2025
News
News
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2025-03-20
Cantina’s March 2025 updates: AI-powered findings, private judging comments, bounty analytics, user management upgrades, and OpsGenie alerts.

Cantina’s Updates: AI Assistant, Hidden Notes & More

Boost findings with Cantina AI, hidden comments, bounty insights & OpsGenie. Streamline security workflows with our latest updates!
Hilary contributor avatar
Hilary
March 18, 2025
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News
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2025-03-18
Exploring passkey security and blockchain adoption—Cantina TV talks with VanEck on crypto risks, stablecoins, and institutional strategies.

What Institutions Like VanEck Look For in Crypto Projects

VanEck shares insights on institutional crypto strategy—how asset managers evaluate blockchain, assess risks, and navigate digital assets.
Hilary contributor avatar
Hilary
March 10, 2025
News
News
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2025-03-10
Unlock safer logins with passkey security—no passwords, no phishing, just seamless and secure authentication.

Passkeys Explained: How to Use Them Safely

Passkey security offers a passwordless, phishing-resistant login method using cryptographic keys. Learn its benefits, risks, and best practices.
Hilary contributor avatar
Hilary
March 10, 2025
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News
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2025-03-10
March 2025 Cantina update: New team assignment feature, improved hotkeys with ctrl/alt modifiers, and faster findings navigation.

March 2025 Update: Assign Findings & Performance Boost

Cantina's March update: assign findings to team members, use improved hotkeys with modifier keys, and experience faster loading times for your findings.
Hilary contributor avatar
Hilary
March 1, 2025
News
News
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2025-03-01
2025 multisig security: Attackers now bypass traditional safeguards by compromising complete signing infrastructures. Discover defense strategies.

Multisig Security: Evolving Threats in 2025

Multisig security risks: Attacks now target entire signing infrastructures, not just keys. Learn how to protect your assets from these evolved threats.
Hilary contributor avatar
Hilary
February 28, 2025
Security Guides
Security Guides
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2025-02-28
Cantina's latest features: Performance boost indicator, Autojoin team settings interface, and Finding Assignment preview panel.

Cantina’s February 2025 Update: Performance & Autojoin

Discover Cantina's latest updates: Enhanced performance, seamless team onboarding with Autojoin, and upcoming finding assignment features.
Hilary contributor avatar
Hilary
February 15, 2025
News
News
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2025-02-15
$2M Ethereum Pectra security challenge: Join to create content, tools & resources for the future of blockchain security.

Cantina x Ethereum Foundation: Pectra Learning Quest

To celebrate our $2M competition with the Ethereum Foundation, we’re also launching the Pectra Learning Quest centered around the Ethereum Pectra Upgrade
Hilary contributor avatar
Hilary
February 11, 2025
News
News
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2025-02-11
Pectra upgrade banner: exclusive competition announcement.

Ethereum Foundation Pectra Security Competition

Learn more about the exclusive rewards on offer as part of Cantina's security competition with the Ethereum Foundation for their latest upgrade Pectra.
Hilary contributor avatar
Hilary
January 31, 2025
News
News
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2025-01-31
Security audit platform changelog header for February 1st updates in orange text.

Cantina’s February 2025 Enhanced Visibility and Updates

Cantina updates: visible findings during judging, longer sessions, better duplicate handling, and Fellowship competitions.
Hilary contributor avatar
Hilary
January 31, 2025
News
News
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2025-01-31
New security features: Custom labels and improved finding organization.

Cantina’s January 2025: Security Features and Updates

Explore Cantina’s January 2025 updates, featuring advanced security features like organized findings, emoji reactions, and an enhanced product portal.
Hilary contributor avatar
Hilary
January 11, 2025
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News
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2025-01-11
Year in review: Leading web3 security through 58 competitions and critical findings.

Cantina’s 2024 Web3 Security Competitions and Impact

Discover how Cantina hosted competitions in 2024 to uncover vulnerabilities and strengthen web3 security protocols.
Hilary contributor avatar
Hilary
December 29, 2024
News
News
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2024-12-29
NFT marketplace security review: Kim Exchange and Cantina collaboration.

Kim Exchange NFT Marketplace Security Case Study

Learn how Cantina improved the security of Kim Exchange’s NFT marketplace through comprehensive reviews and collaboration.
Hilary contributor avatar
Hilary
December 19, 2024
Case Studies
Case Studies
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2024-12-19
New security review tool prioritizes recommended findings.

Cantina’s December 2024 Update: Security Tools and More

Stay updated with Cantina’s December 2024 enhancements, including optimized security review tools and improved workflows.
Hilary contributor avatar
Hilary
December 14, 2024
News
News
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2024-12-14
Platform improvements streamlining security assessment workflow.

Cantina’s Security Platform Update: 3rd December 2024

Discover Cantina’s latest security platform updates, including new shortcuts and improved bug bounty management features. Start exploring today!
Hilary contributor avatar
Hilary
December 3, 2024
News
News
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2024-12-03
Largest bug bounty in crypto: Uniswap and Cantina's $15.5M security initiative.

Uniswap v4 Bug Bounty: Cantina’s $15.5M Reward

Discover how Cantina collaborated on Uniswap v4’s $15.5M bug bounty, setting new standards for web3 security.
Admin contributor avatar
samaraadmin
November 26, 2024
News
News
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2024-11-26
New framework for enhancing security collaboration through reputation scores.

Cantina’s Reputation Scores and Security Collaboration Tools

Explore Cantina’s reputation scores and collaboration tools, transforming Web3 security practices. Learn more.
Admin contributor avatar
samaraadmin
November 22, 2024
Security Guides
Security Guides
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2024-11-22
Platform changelog: New comment resolution tools for security reviews.

November 2024: Cantina’s Comment and Security Updates

Explore Cantina’s November updates, featuring enhanced comment resolution and streamlined security tools.
Admin contributor avatar
samaraadmin
November 18, 2024
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News
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2024-11-18
Essential DNS security measures for protecting Web3 protocols.

Prevent DNS Hijacking: Web3 Security Best Practices

Learn how to protect your web3 project from DNS hijacking with proven strategies and actionable security insights.
Admin contributor avatar
samaraadmin
November 4, 2024
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News
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2024-11-04
Comprehensive L1/L2 security framework for blockchain infrastructure protection.

L1/L2 Security Playbook: Protecting Blockchain Platforms

Explore Cantina’s strategies for securing L1/L2 platforms and protecting blockchain ecosystems. Read the full playbook.
Admin contributor avatar
samaraadmin
November 1, 2024
Security Guides
Security Guides
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2024-11-01
Platform update: Improved team collaboration tools for security assessment.

Cantina’s October 2024 Updates: Team Triaging Tools

Discover Cantina’s October updates, including team triaging roles and new security tools for enhanced collaboration.
Admin contributor avatar
samaraadmin
October 23, 2024
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News
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2024-10-23

Centrifuge Router Deep Dive: Security Flaw

This deep dive unpacks a critical flaw in Centrifuge’s router contract, its exploitation risk, and how ownership checks now protect DeFi vault assets.
Spearbit contributor
Spearbit
October 15, 2024
Case Studies
Case Studies
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2024-10-15
Cantina Assistant launch improving smart contract vulnerability detection.

Cantina’s October 2024 Update: Security Chatbot and Tools

Explore Cantina’s October 2024 updates, featuring the new security chatbot and enhanced tools for seamless security reviews. Discover more.
Platform author
system_generated
October 4, 2024
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News
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2024-10-04
Discover how Fastlane Atlas miscalculated bids in solver operations and how it impacted MEV and protocol reliability.

Solver Operation Flaw in Fastlane Atlas

Discover how a critical bug in solverMetaTryCatch() caused bid miscalculations in Fastlane Atlas and how it was resolved to protect MEV fairness and funds.
Spearbit contributor
Spearbit
September 30, 2024
Case Studies
Case Studies
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2024-09-30
Comprehensive DeFi security case study: Euler protocol review.

Euler Case Study: Strengthening DeFi Security with Cantina

Learn how Cantina partnered with Euler to enhance DeFi security through expert vulnerability assessments and strategic solutions.
Platform author
system_generated
September 26, 2024
Case Studies
Case Studies
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2024-09-26
Cantina's exclusive fellowship tiers and incentives for top security researchers.

Cantina Fellowship Program: Empowering Security Researchers

Discover how Cantina’s Fellowship Program supports and trains security researchers to tackle advanced web3 and blockchain challenges.
Cantina contributor avatar
Cantina Bouncer
September 11, 2024
News
News
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2024-09-11
Platform updates improving security review efficiency with new templates and filters.

Cantina’s September 2024 Update: Security Enhancements

Explore Cantina’s September 2024 security enhancements, including feature improvements and a focus on researcher collaboration.
Cantina contributor avatar
Cantina Bouncer
September 2, 2024
News
News
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2024-09-02
Platform changelog detailing enhanced security workflow features and optimizations.

Cantina’s August 2024: Security Workflows and Updates

Stay updated on Cantina’s August 2024 enhancements, including streamlined security workflows and collaboration tools.
Cantina contributor avatar
Cantina Bouncer
August 26, 2024
News
News
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2024-08-26
Cantina anniversary - Building the future with security researchers.

Celebrating a Year of Security Innovations and Researchers

Reflect on Cantina’s first year of empowering security researchers, hosting competitions, and advancing blockchain security.
Cantina contributor avatar
Cantina Bouncer
August 26, 2024
News
News
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2024-08-26
DeFi's largest security bug bounty: Uniswap v4 $2.35M competition hosted by Cantina.

Cantina’s $2.35M Security Competition for Uniswap

Explore Cantina’s $2.35M bug bounty for Uniswap, a milestone competition in blockchain security innovation.
Cantina contributor avatar
Cantina Bouncer
August 16, 2024
News
News
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2024-08-16
Spearbit vCISO provides expert security guidance across development stages to help protocols scale securely and audit-ready.

vCISO for Web3: Security at Every Dev Stage

Learn how Spearbit’s vCISO helps protocols build securely from day one—boosting review readiness, architecture, and long-term security posture.
Spearbit contributor
Spearbit
July 24, 2024
Best Practices
Best Practices
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2024-07-24
Achieving high test coverage improves protocol security, lowers costs, and prepares projects for effective external reviews

Testing for Secure Smart Contracts and Protocols

Explore unit, E2E, and fuzz testing for web3. Learn how better test coverage leads to fewer bugs, lower costs, and stronger protocol security.
Spearbit contributor
Spearbit
July 23, 2024
Best Practices
Best Practices
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2024-07-23
Collaboration between Spearbit and SAP to review smart contracts for secure NFT distribution at scale

SAP NFT Platform Security Case Study by Spearbit

See how Spearbit helped SAP strengthen its NFT Management platform with expert security review, smart contract fixes, and gas optimizations.
Spearbit contributor
Spearbit
July 22, 2024
Case Studies
Case Studies
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2024-07-22
Morpho x Cantina partnership showcase - Leading DeFi vulnerability assessment collaboration.

Morpho Case Study: Advancing DeFi Vulnerability Assessments

See how Cantina helped Morpho improve its DeFi security through detailed vulnerability assessments and expert-driven solutions.
Cantina contributor avatar
Cantina Bouncer
June 24, 2024
Case Studies
Case Studies
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2024-06-24
Introducing a deep dive into protocol architecture and vulnerability analysis

Numerical Analysis Tips for DeFi Audits

Learn numerical audit strategies used in Cron Finance’s TWAMM review—covering overflows, rounding errors, and SMT solver insights for DeFi security.
Spearbit contributor
Spearbit
March 31, 2024
Best Practices
Best Practices
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2024-03-31
Operational security assessment: Cantina x Kwenta collaboration case study.

Strengthening Kwenta’s Security: OpSec Review by Cantina

Explore how Cantina’s OpSec review enhanced Kwenta’s security posture, protecting critical assets in a decentralized environment.
Cantina contributor avatar
Cantina Bouncer
March 29, 2024
Case Studies
Case Studies
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2024-03-29
Cantina x zkSync collaboration: Detailed analysis of zero-knowledge protocol security.

zkSync Security Insights: A Cantina Case Study

Explore how Cantina enhanced zkSync’s security by uncovering critical vulnerabilities in Layer 2 scaling solutions.
Cantina contributor avatar
Cantina Bouncer
February 8, 2024
Case Studies
Case Studies
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2024-02-08
Visual guide of security readiness steps for protocols including system specification, testing, and review preparation milestones

Security Review Readiness for Protocol Teams

Learn how to prepare your protocol for a security review—key QA, test coverage, checklists, code freezes, and team coordination tips included.
Spearbit contributor
Spearbit
January 10, 2024
Best Practices
Best Practices
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2024-01-10
Web2 security necessity: Cantina and Open Security's collaborative approach to protocol security.

Web2 Security: The Missing Link in Web3 Protocol Protection

See how Open Security’s Web2 review bolstered ArConnect’s Web3 protocol with Cantina’s guild service— a case study in blockchain security.
Cantina contributor avatar
Cantina Bouncer
October 18, 2023
Case Studies
Case Studies
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2023-10-18
Seminar overview on LayerZero’s approach to secure cross-chain messaging, delivered by CTO Ryan Zarick at Spearbit.

LayerZero’s Cross-Chain Security Model Explained

Explore LayerZero’s cross-chain security model, Pre-Crime system, client diversity, and upgrade risk in this deep dive from a Spearbit seminar.
Spearbit contributor
Spearbit
August 21, 2023
Case Studies
Case Studies
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2023-08-21
Cantina's DeFi security review: Comprehensive analysis of Maple Finance protocol implementation.

Maple Finance: A DeFi Security Case Study by Cantina

Discover how Cantina strengthened Maple Finance’s DeFi security through expert vulnerability assessments and proactive solutions.
Cantina contributor avatar
Cantina Bouncer
August 18, 2023
Case Studies
Case Studies
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2023-08-18
Completed Web3 security crowdfunding: $100k raised for Solady audit with partner logos.

Enter Cantina: Revolutionizing Web3 Security Solutions

Discover how Cantina’s launch transformed web3 security with cutting-edge solutions and community-driven tools.
Cantina contributor avatar
Cantina Bouncer
July 7, 2023
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News
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2023-07-07
Banner introducing Spearbit’s deep dive into the Platypus Finance hack, featuring insights from DeFi researcher Spreek.

Platypus Finance Exploit Deep Dive by Spreek

Explore Spreek’s analysis of the Platypus Finance exploit—how the attack worked, what went wrong, and lessons for future DeFi threat detection.
Spearbit contributor
Spearbit
June 26, 2023
Case Studies
Case Studies
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2023-06-26
Solady smart contract security audit announcement.

Solady Security Review: Cantina’s Inaugural Contribution

Learn about Cantina’s inaugural project, a comprehensive Solady security review uncovering vulnerabilities in smart contract architecture.
Cantina contributor avatar
Cantina Bouncer
June 16, 2023
Security Guides
Security Guides
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2023-06-16
Banner for Spearbit seminar recap on Arbiter, a tool for forward testing and simulating DeFi strategies with real EVM parity.

Simulating DeFi With Arbiter by Primitive Finance

Explore Arbiter by Primitive Finance—an open-source tool for fast, EVM-compatible DeFi simulations with agents, backtesting, and performance insights.
Spearbit contributor
Spearbit
June 15, 2023
Best Practices
Best Practices
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2023-06-15
Hero section showcasing 'Introducing Cantina', Web3 security marketplace.

Introducing Cantina: Web3 security marketplace

Discover how our unique marketplace connects clients with top security researchers to elevate security standards in the Web3 ecosystem.
Cantina contributor avatar
Cantina Bouncer
June 12, 2023
News
News
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2023-06-12
Visual representation of ZKP integration in Layer 2 architecture showing sequencers, coordinators, and proof validation on Ethereum.

Demystifying Zero-Knowledge Proofs in Web3 Security

Explore how zero-knowledge proofs enable verifiable computation in blockchain, scaling, privacy, and security—with insights from Spearbit’s seminar.
Spearbit contributor
Spearbit
June 8, 2023
Best Practices
Best Practices
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2023-06-08
Hero image depicting ethical hackers securing a Web3 project through a bug bounty program, enhancing cybersecurity and resilience.

Why Bug Bounty Programs Are Key to Securing Web3 Projects

Boost your Web3 security with bug bounty programs! Discover how ethical hackers protect decentralized projects from exploits and vulnerabilities. Read more now!
Cantina contributor
Cantina
Best Practices
Best Practices
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Smart contract security audit report with findings categorized by risk level and resolution status, including critical, high, medium, and low risks.

Understanding Smart Contract Security Review Reports

Learn to interpret smart contract security reports: risk assessment, key vulnerabilities, and action steps from Cantina's real-world security review examples.
Cantina contributor
Cantina
Best Practices
Best Practices
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How Cantina's optimized approach transforms smart contract audits: faster, specialized, and more efficient security reviews for Web3

Smart Contract Audit Redefined by Cantina

Explore Cantina smart contract security reviews: faster, cost-effective, and reliable. Unlock modular workflows, tailored services, and specialized tools today!
Cantina contributor
Cantina
Best Practices
Best Practices
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Smarter smart contract security – Cantina delivers efficient audits to safeguard dApps, protect funds, and ensure blockchain integrity.

Secure Your Smart Contracts: A Comprehensive Review Guide

Explore the essential steps and best practices for smart contract security reviews to protect your decentralized applications and investments.
Cantina contributor
Cantina
Best Practices
Best Practices
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Security analyst reviewing smart contract code on multiple monitors, with blockchain visualization in background.

Smart Contract Audit Guide: Traditional vs. Cantina Reviews

Explore smart contract audit benefits, costs, and security features. Compare traditional audits with Cantina's modern approach for maximum blockchain security.
Cantina contributor
Cantina
Security Guides
Security Guides
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Cartoon-style illustration of a smiling Cantina tardigrade mascot with chubby features.
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