Never Sign Blindly Again
Eliminate blind signing with FailSafe GUARD (Governance, Utility & Automated Risk Determination). AI-powered transaction validation, policy enforcement, and automated risk assessment for multisig and MPC wallets.
Compatible with leading wallet providers
Blind Signing: The Billion Dollar Vulnerability
The largest crypto exploits share a common root cause: signers couldn't see what they were approving. Compromised frontends, spoofed extensions, and manipulated transaction details have led to catastrophic losses.
When your signature is the last line of defense, that line needs to be bulletproof.
Threats Mitigated
Blind Signing
Simulates transactions to reveal true effects before signing
Compromised UIs
Ignores frontend display and evaluates raw calldata
Compromised Signers
Blocks execution unless transaction passes validation
Insider Threats
Prevents malicious actions by enforcing policy-level checks
Operational Errors
AI analysis catches mistakes before they become costly
Novel Attack Vectors
Behavioral analysis detects unknown threat patterns
Intelligent Transaction Security
GUARD brings enforcement to where it matters most: the signature.
Transaction Simulation
Preview the full onchain outcome of transactions before signing. See exactly what will happen, not what the UI claims.
Policy Enforcement
Configure granular, label-based security policies. Automatically block high-risk transactions with precise controls.
Instant Validation
Evaluate transactions in milliseconds. Approve safe actions automatically while flagging threats for review.
Customizable Rules
Define your own security and compliance policies for treasury transfers, unknown contracts, or high-value transactions.
Seamless Integration, Instant Protection
GUARD integrates directly into your existing multisig setup. No custom wallet software required.
Transaction Submitted
A transaction is submitted to your multisig or MPC wallet.
GUARD Analysis
Transaction is simulated and analyzed through our real-time validation engine.
Multi-Layer Evaluation
Static analysis, behavioral simulation, and custom policy rules are applied.
Automated Decision
Safe transactions are co-signed instantly. Threats are blocked and flagged.
Built for High-Stakes Operations
DAOs & Treasuries
Streamline governance by auto-approving routine treasury transfers while enforcing multisig rules on sensitive operations.
Crypto Funds & Trading Desks
Execute trades at speed without compromising security. Policy engine ensures compliance while maintaining agility.
Exchanges & Custodians
Protect customer assets with transaction-level security. Prevent unauthorized withdrawals and detect anomalies in real-time.
“GUARD caught a malicious transaction that would have drained our treasury. The simulation showed exactly what would happen, and we were able to block it before any signatures were applied.”
Frequently Asked Questions
What is GUARD and how does it work?
GUARD (Governance, Utility & Automated Risk Determination) is an AI-powered co-signer that integrates with your multisig or MPC wallet. It acts as an additional signer that only approves transactions after they pass real-time security validation and your custom policies. It inspects raw transaction data, simulates execution, and verifies exactly what will happen before signing.
Which wallets does GUARD support?
GUARD integrates with major multisig and MPC wallet providers including Safe (Gnosis Safe), Fireblocks, Squads, and others. It behaves like any other signer in your setup, requiring no custom wallet software or infrastructure changes.
How does GUARD prevent blind signing?
Blind signing occurs when signers approve transactions without understanding what they actually do. GUARD prevents this by simulating every transaction, analyzing the raw calldata (not the UI display), and providing clear visibility into what will happen onchain before any signature is applied.
Can I customize the security policies?
Yes, GUARD allows you to define granular security rules based on your organization's needs. You can set policies for transaction amounts, recipient addresses, contract interactions, and more. These rules are enforced automatically on every transaction.
What happens if GUARD flags a transaction?
When GUARD detects a potentially malicious or policy-violating transaction, it withholds its signature and alerts your team. You can then manually review the transaction, override if necessary with proper authorization, or reject it entirely.
Ready to Eliminate Blind Signing?
Protect your multisig with transaction-level security that sees through compromised UIs and detects threats before they execute.