Catch threats before they become headlines
Real-time security for onchain finance
Guardrail is a continuous monitoring, detection & response security platform built for DeFi. We give DeFi protocols real-time visibility to catch issues continuously, prevent costly exploits, and protect what matters onchain.
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Protocols are switching from competing monitoring tools and in-house tooling to Guardrail as their post-deployment, real-time security solution.
$14.8B lost
to crypto exploits
21%
annual
increase
increase
In 2025, don’t be the next headline. Protect your protocol
with Guardrail.
with Guardrail.
The Cost of Crypto Hacks (2020–2024)
Estimated figures based on publicly available data.
DeFi Exploit Losses ($B)
2020
2021
2022
2023
2024
Annual Trend
Designed to
secure
your protocol, wherever and however you build
Smart contract security that sees what others miss.
We’re on
guard
so you don’t have to be
Guards programmatically check each transaction’s logic and state, flagging risks in real-time and responding automatically.
Setup guards customized to your protocol today.
180+
Contracts monitored
295+
Guards
$1.3B
Assets protected
Sub-second transaction scanning
Live
across 24+ chains
End-to-End web3 security
Guardrail doesn’t just monitor your protocol, it acts on what it sees. From early detection to automated responses, it’s a full-stack defense system that protects your users, your treasury, and your reputation.
Watch every transaction.
Track onchain transactions, offchain inputs, and protocol-specific behaviour across every chain in real-time.
Signal over noise, every time.
Surface only what matters — with context-aware notifications for threats, anomalies, or policy breaches.
Act fast, automatically.
Auto-trigger protective actions when risk is detected — pause functions, flag wallets, or escalate to your team.
Stop exploits before they start.
Stop known threats before they hit production by simulating risky transactions or enforcing runtime checks.
Who we protect
Guardrail is for those who can’t afford surprises.
We bring real-time and protocol-aware security. Whether you're a regulated institution or a DeFi-native team, we bring context-aware security to your stack, from chains and smart contracts to users and operations.
We bring real-time and protocol-aware security. Whether you're a regulated institution or a DeFi-native team, we bring context-aware security to your stack, from chains and smart contracts to users and operations.
Crypto Native
Runtime protection to secure smart contracts, wallets, bridges, and mempools with context-aware onchain monitoring.
Institutions
Enterprise-grade Web3 security to monitor transaction flows, detect financial threats, and meet compliance in real time.
Trusted by leading DeFi protocols
Hear from protocols using Guardrail to stay secure.
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Guardrail is backed by leading web3 investors
Prevent headlines. Protect what matters.
