Christopher Grilhault des Fontaines
@christophergdf
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Co-CEO & Co-founder @dfnsHQ｜Angel Investor
Brooklyn, New York
Joined October 2015
RT @dfnsHQ: 🧭 @dfnsHQ is featured in @FXCintelligence 2025 Stablecoin Market Map 🙌. We’re proud to be listed among the leading infrastructu….
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Hands down one of the best teams and apps on crypto finance!.
🤝 @dfnsHQ is proud to team up with @DeblockApp 🌠. Created by Jean Meyer, Adriana Restrepo, Mario Eguiluz Alebicto, and Aaron Beck, Deblock is the next generation of financial applications. Deblock, France’s first MiCA-licensed Electronic Money Institution (EMI), delivers the
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RT @dfnsHQ: 🙏 Thank you to @TheBigWhale_ for the invitation and for bringing together such a sharp audience yesterday morning in Paris. Ou….
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Glad to have you with us, Gael! Welcome 🙌.
Warm welcome to @gael_nv, new Strategic Account Manager at @dfnsHQ. As financial institutions scale their onchain operations, they need more than just secure infrastructure. They need trusted partners who can navigate legal, technical, and operational complexity. That’s exactly
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One of the best projects out there. Always innovating and pushing the boundaries of payments. Thank you for your trust and continued partnership, @berhanko and team @keyrails 🙌.
🆕 @keyrails has chosen @dfnsHQ to power its wallet infrastructure 🤝. If you haven’t heard of them yet, you will soon. Founded by @berhanko (who co-founded @arf_one), Keyrails is rethinking cross-border payments for emerging markets with a product that’s been purpose-built for
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🗞️ Thales clients can now access blockchains through @dfnsHQ. We’re proud to partner with @thalesgroup, a company that has stood for security, resilience, and trust since the post-WW2 era. This collaboration moves beyond the usual “MPC vs HSM” debate. It’s about giving clients.
🚨 @dfnsHQ now supporting @thalesgroup HSMs. Institutions running Thales HSMs—payShield, Luna, or ProtectServer—can now use Dfns as their programmable wallet infrastructure without changing a thing. We’ve built native PKCS#11 integration so you can:.🔐 Keep keys inside your FIPS
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Only three (serious) wallet providers in the world let you access all blockchains using either MPC or HSM. @dfnsHQ is now one of them ✨ . And we do it better than the other two. This new feature marks a turning point. Dfns is becoming an operating system for blockchains: one.
🚨Introducing our new HSM Service. We’re opening a new chapter in our digital asset security approach 🛡️. Since day one, @dfnsHQ has championed MPC as the gold standard for key management. But the world is changing as new regulatory requirements and security policies are coming
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To be starred in your inbox ⭐️.
✉️ The @dfnsHQ Newsletter is live! . Great infrastructure doesn’t need to fill the silence or steal the attention, it speaks for itself. We’ve been quiet for most of our journey, even as we secured over $20 billion in assets, powered more than 15 million wallets, and became the
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RT @circle: USDC and CCTP V2 are now live on @codex_pbc!. Codex is a new EVM blockchain designed for B2B stablecoin transactions and stream….
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RT @dfnsHQ: Meet us at @Permissionless IV 🇺🇸🗽. From June 24–26, the @dfnsHQ team will be in Brooklyn for Permissionless, @Blockworks_' flag….
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Important 🚨.
🌐 Travel Rule compliance is now live in Dfns ✔️. We’ve built a deep integration with Notabene to bring Travel Rule enforcement directly into your transaction flow. Their compliance data streams into the Dfns policy service, so checks happen automatically before any transfer is
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RT @dfnsHQ: 📹 Demo Series 5. Today, we’re showing how to stake ETH directly from your @dfnsHQ wallet using our integration with @Figment_io….
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RT @dfnsHQ: 📹 Demo Series 4. In today’s demo, we’ll show you how to whitelist a wallet address using Policies. Financial institutions ofte….
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