CrypDefi is now Fortkey. read the announcement

    Secure every on-chain transaction at millisecond speed.

    Self-custody execution for trading firms. Trade algorithmically or manually, without exposing a key.

    Fortkey policy management console
    Fortkey approval workflow

    Certified

    ISO/IEC 27001

    Insight Assurance

    Penetration-tested

    Independent

    Cognisys · Fox-IT · Cyber Cloud

    Trust Center

    Vanta, live

    Real-time security posture

    Backed by investors and industry operators

    Syndicate OneSeeder FundStart it @KBCVLAIOKilnNGRAVEStacking DAOKeyrock

    Built for complete control

    Programmable policies

    Enforce whitelists, blacklists, transaction types, limits, and payload-level checks.

    Policy simulation

    Test policies against real transactions before enforcement.

    Multi-party approvals on changes

    Require m-of-n sign-off on policy and access changes.

    Any-DEX trading

    Use FortkeyLink with MetaMask, Phantom, WalletConnect, or any other browser extension, alongside your existing workflows.

    Multi-region signing

    Sign next to your venue for the lowest latency.

    Treasury stays put

    Keep long-term holdings with your custodian and run the trading float on Fortkey. See how desks pair Fortkey with Fireblocks.

    Rule

    Whitelist
    Whitelist
    Blacklist
    Limit

    Conditions

    Counterparty addressContractTransaction type
    Passed policyBlocked: address not whitelisted

    Built for trading desks

    Market makers

    Quote and hedge on-chain at speed, with keys in your own perimeter.

    OTC desks

    Move size and settle with every signature checked against policy.

    Prop and HFT

    Sub-millisecond signing co-located with your venues and builders.

    Treasury

    Hold and deploy assets with multi-party approvals and full audit.

    Fortified keys, built for speed.

    Flat infrastructure pricing. No volume fees. Talk to engineering when you are ready.