Analyze
User-submitted Safe transactions are decoded, simulated where available, and checked against deterministic risk rules.
B2B SaaS - Ethereum Safe transaction security
Pre-signature security review for Safe transactions.
Runtime Guard analyzes transaction payloads before signing and returns deterministic risk reports for teams operating Ethereum Safe accounts. Paid plans add workflow automation and optional policy-based co-signing.
Product
Runtime DeFi Guard
A transaction security layer for teams that need a structured review before signing Safe transactions.
Report
Each report summarizes transaction intent, assets, counterparties, risk factors, and operational context before signature.
Assist
Paid plans reduce manual work through a browser extension and, for Pro plans, optional policy-based co-signing.
Pricing
Per Safe, monthly subscription.
Prices are listed excluding tax. Applicable taxes are calculated at checkout.
Free
$0
5 reports per Safe per day
- Manual transaction submission
- Light security report
- No account required
Plus
$20/mo
per Safe, excluding tax
- Browser extension
- Automatic report capture
- Local context only
Pro Solo
$150/mo
per Safe, excluding tax
- Dedicated co-signer key
- Customer-defined policy
- Mainnet launch coverage
Pro Team
$350/mo
per Safe, excluding tax
- Team access
- Audit trail
- Business billing support
Runtime Lockdown Guard is planned as a separate $20/month per Safe subscription after public release of the core product.
Public demo
Analyze a Safe transaction before signing.
Paste a Safe transaction URL and receive a signed light report. No wallet login is required for the public demo.
Business information
Built and operated by RUNTIME GUARD.
RUNTIME GUARD is a French SASU registered with the Paris Trade and Companies Register under SIREN 106 846 777.
- Legal name
- RUNTIME GUARD
- Registration
- SIREN 106 846 777 - RCS Paris
- Registered office
- 1 rue Marguerin, 75014 Paris, France
- Contact
- contact@runtime-guard.io
Pricing
Runtime Guard pricing
Subscriptions are priced per Safe. Prices are listed in USD excluding tax. Paddle calculates applicable tax at checkout.
Free
$0
5 reports per Safe per day
- Manual transaction submission
- Light security report
- No account required
Plus
$20/mo
per Safe, excluding tax
- Browser extension
- Automatic report capture
- Local context only
Pro Solo
$150/mo
per Safe, excluding tax
- Dedicated co-signer key
- Customer-defined policy
- Mainnet launch coverage
Pro Team
$350/mo
per Safe, excluding tax
- Team access
- Audit trail
- Business billing support
Paid subscriptions are sold as SaaS access. Runtime Guard does not custody assets, process payments for customers, operate an exchange, or provide investment advice.
Terms
Terms of Service
Last updated: 3 July 2026
1. Provider
Runtime Guard is provided by RUNTIME GUARD, a French SASU registered with RCS Paris under SIREN 106 846 777, with registered office at 1 rue Marguerin, 75014 Paris, France.
2. Service
Runtime Guard provides software for pre-signature analysis of Ethereum Safe transaction payloads, risk reporting, workflow support, and optional policy-based co-signing for eligible paid plans.
3. Service boundaries
Runtime Guard is a software service. It does not custody funds, process payments for customers, operate an exchange, provide money transmission, provide brokerage, provide investment advice, or provide trading signals.
4. Customer responsibility
Customers remain responsible for reviewing each transaction and for deciding whether to sign, reject, or modify it. Runtime Guard reports are security and operational review materials, not financial advice.
5. Subscriptions
Paid plans are billed as recurring SaaS subscriptions through Paddle, acting as merchant of record. Prices are listed excluding tax unless stated otherwise. Applicable tax is calculated at checkout.
6. Contact
Questions about the service or these terms can be sent to contact@runtime-guard.io.
Privacy
Privacy Policy
Last updated: 3 July 2026
1. Controller
The data controller is RUNTIME GUARD, SIREN 106 846 777, 1 rue Marguerin, 75014 Paris, France. Contact: contact@runtime-guard.io.
2. Data processed
Runtime Guard may process account identifiers, public wallet addresses, Safe addresses, transaction hashes, submitted transaction URLs, technical logs, subscription status, and messages sent by email.
3. Payment data
Payments are handled by Paddle as merchant of record. Runtime Guard does not store full card numbers or payment method credentials.
4. Purpose
Data is used to provide the software service, generate reports, enforce plan limits, maintain security, answer customer requests, and comply with legal obligations.
5. Rights
Subject to applicable law, users may request access, rectification, deletion, restriction, or objection by contacting Runtime Guard.
Refunds
Refund Policy
Last updated: 3 July 2026
1. Subscription cancellation
Customers may cancel a paid subscription. Unless otherwise required by law or stated at checkout, cancellation stops future renewals and does not automatically refund the current billing period.
2. Refund requests
Refund requests are reviewed case by case. Runtime Guard may grant a refund where required by law, where a billing error occurred, or where the service was not made available as described.
3. Taxes and processing
Payments and refunds are processed by Paddle as merchant of record. Taxes are handled according to Paddle checkout and applicable law.
4. Contact
Refund requests can be sent to contact@runtime-guard.io.