Web3 Security Insights | Cantina Blog

Verifiable infrastructure for institutional credit: inside Spearbit's security review of Arkis and its signed, attestable deployment pipeline.

How we independently verify and sign every Arkis release

Spearbit has completed a security review of Arkis, the institutional prime broker unifying portfolio margin across CeFi and DeFi.

Paul

July 2, 2026

News

Lido Finance Completes Web3SOC Assessment for Institutional Diligence

Lido completed Web3SOC, giving funds, exchanges, and custodians a structured way to assess its controls and institutional readiness.

Paul

May 6, 2026

Partners Spotlights

Aztec Network Opens a $50K Bug Bounty on Cantina

Aztec’s Cantina bug bounty gives researchers up to $50K to test privacy-critical smart contracts before mainnet hardens.

Paul

May 5, 2026

News

BitGo Launches Web3 Bug Bounty Program with Cantina

BitGo launched a bug bounty with Cantina, giving researchers a clear path to test smart contracts and earn rewards.

Paul

April 9, 2026

News

Paxos and Cantina launch a $1M bug bounty to pressure test regulated digital asset infrastructure across Web2 and Web3.

Announcing the $1M Paxos Bug Bounty Program on Cantina

Paxos launches a $1M bug bounty on Cantina, inviting top researchers to test its Web2 and Web3 infrastructure.

Paul

March 27, 2026

News

Reserve and Cantina are opening a $10M bug bounty to stress test stable asset infrastructure, execution logic, and systemic risk controls.

Cantina and Reserve Protocol Launch a $10,000,000 Bug Bounty

Cantina and Reserve launch a $10M bug bounty covering core protocol contracts, collateral plugins, and the Folio execution engine.

Paul

March 26, 2026

News

EVMbench Is a Line in the Sand for Onchain Security

EVMbench shows AI agents can exploit smart contract bugs 72.2% of the time. What that means for onchain security and how defenders must adapt

Paul

March 19, 2026

Case Studies

See how engineers stop prompt injection, limit agent authority, and separate reasoning from execution safely.

Securing AI Agents: 5 Rules to Stop Autonomous Takeovers

Discover how top engineers secure AI agents. Learn to stop prompt injection, limit excessive agency, and build safe autonomous workflows in production.

Paul

March 17, 2026

Best Practices

Infostealer attack chain: from endpoint malware and token theft to session replay, MFA bypass, and full cloud identity takeover.

Infostealers to Cloud Takeovers: Detect and Break Session Replay Chains

Discover how infostealers drive cloud takeovers via session replay. Learn to detect token theft, automate revocation, and stop MFA bypasses instantly.

Paul

March 17, 2026

Spearbit

CrossCurve lost about $3M after a bridge integration exposed expressExecute, letting spoofed messages pass with no Axelar approval.

CrossCurve Bridge Hack : An integration blunder that cost multi-million dollars

The CrossCurve bridge exploit abused Axelar expressExecute and a low consensus threshold to drain about $3M across Ethereum and Arbitrum.

Paul

March 10, 2026

Best Practices

ERC-4337 Security: Bundlers, Paymasters, Signatures

ERC-4337 expands the security boundary. Learn the key risks in bundlers, paymasters, signatures, replay protection, and liveness.

Paul

March 10, 2026

Spearbit

Why banks adopt MDR to validate alerts fast, contain incidents, and reduce business impact from long dwell times and ransomware.

Managed Detection & Response in Banking: Reducing Breach Costs

Managed detection and response helps banks cut dwell time, reduce breach costs, and meet resilience and audit expectations with 24 7 triage.

Paul

March 4, 2026

Best Practices

Evidence-first LLM analysis for smart contract vulnerabilities.

LLMs in Smart Contract Audits Need Evidence

LLMs can speed smart contract audits, but only evidence-backed workflows are trustworthy. How Cantina AI Code Analyzer validates findings.

Paul

March 4, 2026

Best Practices

What changes in 2026 security, AI driven social engineering

Financial Security in 2026: AI, DORA, Web2, Web3

How AI enabled fraud, DORA obligations, and Web2 Web3 convergence reshape bank security in 2026, plus what to monitor and rehearse.

Paul

February 27, 2026

Best Practices

AI coding risks, prompt injection, and AppSec controls.

The End of the AppSec Black Box

AI coding assistants add new risk: prompt injection, NHIs, and subtle auth bugs. Controls and why Cantina AI Code Analyzer matters.

Paul

February 25, 2026

Best Practices

Account abstraction shifts security to infrastructure. Hardening ERC 4337 bundlers and paymasters, plus signature validation and replay defenses.

Top 5 Cyber Threats for Banks in 2026

Account abstraction expands risk beyond smart accounts. Secure ERC 4337 bundlers, paymasters, and signatures against replay and policy drift.

Paul

February 24, 2026

Best Practices

Zero Trust plus cloud governance for banks, with practical controls for credentials, insider risk, segmentation, monitoring, and incident response.

Zero Trust & Cloud Security for Financial Institutions

How institutions can apply Zero Trust and cloud security controls, including IAM, segmentation, monitoring, and governance, to reduce risk.

Paul

February 23, 2026

Best Practices

Lazarus Group uses Zoom deepfakes and audio fix files to steal keys. Verification steps for teams before installs or approvals.

Deepfakes & Billion-Dollar Heists: The Lazarus Group Act

Deepfake Zoom calls and fake plugins are Lazarus’s 2025 to 2026 playbook. Controls to prevent key theft, wallet drains, and downtime.

Paul

February 20, 2026

Ecosystem

Solana upgrades can change overnight. 2026 security checklist for upgrade keys, state migrations, and monitoring program diffs.

Solana Upgrade Patterns: Security Guide for 2026

Solana programs upgrade by default. Learn 2026 risks, ghost state, uninitialized accounts, key compromise, and safer authority controls.

Paul

February 19, 2026

Security Guides

Delta neutral stablecoins stay stable only if hedges execute. Key checks for funding rate stress, keeper ops, liquidation risk, and NAV accuracy.

Auditing Delta Neutral Stablecoins for Peg Safety

Audit delta neutral stablecoins with funding rate stress tests, hedge execution checks, keeper security, and NAV accounting for fair redemptions.

Paul

February 17, 2026

Spearbit

Lookalike Domains: Stop Brand Impersonation

Lookalike domains power phishing and invoice fraud. Learn how to detect typosquats with DNS monitoring, CT alerts, and fast takedowns.

Paul

February 17, 2026

Best Practices

The vibe died, AI shipped the feature, and security broke. ClawdStrike adds checks for secrets, auth, and runtime behavior.

Why Your "Vibe Coded" App is a Ticking Time Bomb

Vibe coding ships fast, but AI can break auth, leak secrets, and ship unsafe defaults. Learn the risks and how ClawdStrike.ai helps.

Cantina

February 16, 2026

Best Practices

Provenance EndBlocker panic bug found by Cantina AI Code Analyzer.

Cantina AI Code Analyzer Found a Provenance Bug

Cantina AI Code Analyzer found a consensus liveness bug in Provenance v1.27.0. Fix shipped in v1.27.1.

Paul

February 16, 2026

Case Studies

How DNS hijacks happen, and what to monitor first.

DNS Hijacks Hit Big Brands: What Your Team Misses

Recent DNS hijacks show how dangling records enable phishing. Build a DNS baseline, monitor changes, and respond before users are hit.

Paul

February 13, 2026

Best Practices

FTC reasonable security, why Web3SOC and MDR matter for DeFi.

Meeting the FTC’s "Reasonable Security" Bar

FTC guidance on reasonable security for DeFi, plus how Web3SOC and MDR create evidence, monitoring, and incident response readiness.

Paul

February 12, 2026

Best Practices

Pendle x Cantina security: audits and bounties for yield trading and Boros funding rates.

Scaling Security for Billions: The Pendle and Cantina Collaboration

Pendle and Cantina pair audits and $2.5M bounties to secure Pendle V2 and Boros, supporting onchain yield and funding rate markets.

Paul

February 12, 2026

Partners Spotlights

What to lock before mainnet: scope, audits, privilege paths, timelocks, caps, alerts, and drills to contain issues fast.

Before You Launch, DeFi Mainnet Security Checklist

A pre launch checklist for DeFi mainnet: audit deploy parity, privilege graphs, timelocks, caps, monitoring, incident response, and bounties.

Paul

February 11, 2026

Best Practices

Stablecoin peg mechanics, key risks, and what audits must test.

Auditing New Stablecoin Peg Designs, Risks and Tests

A security guide to modern stablecoin peg designs, LSD, RWA, algorithmic, and delta neutral models, plus oracle, governance, and cross chain risks.

Paul

February 10, 2026

Spearbit

ZK proof soundness risks and audit checks, Cantina x ZKsync.

Cantina x ZKsync: The 2026 Guide to Securing ZKPs

Cantina x ZKsync guide to ZKP soundness in 2026, covering transcript omissions, missing constraints, and range check failures.

Paul

February 10, 2026

Partners Spotlights

Why Concrete paired institutional yield vaults with continuous security: a $250K Cantina bounty and structured triage.

Cantina x Concrete: Securing Institutional Yield Infrastructure

Concrete’s ERC 4626 vaults near $1B TVL and a $250K Cantina bug bounty secure strategy modules, NAV updates, and withdrawals.

Paul

February 5, 2026

Partners Spotlights

Euler SEAL Safe Harbor, Cantina verified whitehat rescues.

Euler Adopts SEAL Safe Harbor, Verified by Cantina

Euler adopts SEAL Safe Harbor for live exploits. Cantina verifies eligible whitehats via KYC, and the program sets return and payout rules.

Paul

February 4, 2026

News

Cantina x Guardrail, runtime detection integrated into MDR.

Cantina x Guardrail: Runtime Detection Meets Managed Detection & Response

Cantina and Guardrail connect protocol aware runtime detection to MDR, pairing sub second monitoring with 24 7 triage, playbooks, and containment.

Paul

February 4, 2026

News

Cantina Blog

Web3SOC: The Institutional Due Diligence Standard for DeFi

Cantina Launches Free DNS Monitoring for Early Threat Signal

Cantina Achieves SOC 2 Type II Certification

Managed Detection and Response for Digital Asset Economy

How we independently verify and sign every Arkis release

Lido Finance Completes Web3SOC Assessment for Institutional Diligence

Aztec Network Opens a $50K Bug Bounty on Cantina

BitGo Launches Web3 Bug Bounty Program with Cantina

Announcing the $1M Paxos Bug Bounty Program on Cantina

Cantina and Reserve Protocol Launch a $10,000,000 Bug Bounty

EVMbench Is a Line in the Sand for Onchain Security

Securing AI Agents: 5 Rules to Stop Autonomous Takeovers

Infostealers to Cloud Takeovers: Detect and Break Session Replay Chains

CrossCurve Bridge Hack : An integration blunder that cost multi-million dollars

ERC-4337 Security: Bundlers, Paymasters, Signatures

Managed Detection & Response in Banking: Reducing Breach Costs

LLMs in Smart Contract Audits Need Evidence

Financial Security in 2026: AI, DORA, Web2, Web3

The End of the AppSec Black Box

Top 5 Cyber Threats for Banks in 2026

Zero Trust & Cloud Security for Financial Institutions

Deepfakes & Billion-Dollar Heists: The Lazarus Group Act

Solana Upgrade Patterns: Security Guide for 2026

Auditing Delta Neutral Stablecoins for Peg Safety

Lookalike Domains: Stop Brand Impersonation

Why Your "Vibe Coded" App is a Ticking Time Bomb

Cantina AI Code Analyzer Found a Provenance Bug

DNS Hijacks Hit Big Brands: What Your Team Misses

Meeting the FTC’s "Reasonable Security" Bar

Scaling Security for Billions: The Pendle and Cantina Collaboration

Before You Launch, DeFi Mainnet Security Checklist

Auditing New Stablecoin Peg Designs, Risks and Tests

Cantina x ZKsync: The 2026 Guide to Securing ZKPs

Cantina x Concrete: Securing Institutional Yield Infrastructure

Euler Adopts SEAL Safe Harbor, Verified by Cantina

Cantina x Guardrail: Runtime Detection Meets Managed Detection & Response