Christopher Grilhault des Fontaines
@christophergdf
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Co-CEO & Co-founder @dfnsHQ｜Angel Investor
Brooklyn, New York
Joined October 2015
✈️ We’re starting 2026 on the move. @dfnsHQ will be at several events in Switzerland and the US next month. Let me know if you’d like to connect. 𝗝𝗮𝗻𝘂𝗮𝗿𝘆 𝟭𝟰–𝟭𝟲 — 𝘊𝘧𝘊 𝘚𝘵. 𝘔𝘰𝘳𝘪𝘵𝘻 — Saint Moritz 🇨🇭 @clarisse_hagege will speak on a panel with @BCG and @IBM to
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So if the DTCC had announced this on ETH, you’d say the same? ;-) You guys seem to jump up and down anytime a TradFi org mentions ETH. So you like intermediaries as long as they choose the right chain ;-)
Canton has taken the path of enshrining existing intermediaries (DTCC and Broadridge) that are prime candidates for disruption by tokenization. The *primary* point of tokenization should be to eliminate these intermediaries, instead Canton has given them significant ownership
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📆 Mark your agenda! Edition 3 of 𝘋𝘧𝘯𝘴 𝘋𝘰𝘸𝘯𝘭𝘰𝘢𝘥𝘴 is now open for registrations. This time, we’re bringing a new report and a power panel together around one theme: “𝗭𝗲𝗿𝗼 𝗧𝗿𝘂𝘀𝘁.” 👁️ As institutions move to wallets, tokenized assets, and onchain settlement,
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Congrats on what you’ve built, Ezra Kebrab, Samuel Eyob, and team! We’re proud to support you on your journey to become a unicorn and re-imagine how money should flow across borders. Go @withcaliza ✌️
🆕 @withcaliza chooses @dfnsHQ as its core wallet infrastructure provider 🤝 Caliza is building real-time global payment rails and USD accounts for businesses across the US, Asia, and LATAM, and we’re excited they’ve picked Dfns to power their wallet infrastructure. Their API
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ADI Chain Mainnet and $ADI are now live. A new era of institutional blockchain starts today. From day one, $ADI is listed on @krakenfx, @kucoincom, and @cryptocom, and soon on @eToro, ensuring global accessibility and liquidity as the network scales. The token is also
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We’re in Abu Dhabi this week! 🇦🇪 Very excited to present at @ADFinanceWeek alongside @further portcos and friends @fuzefinance @KemetTrading @grvt_io @opnetbtc @KAIO_xyz @pave_bank @soter_insure @ZodiaCustody and @zodiamarkets. Come meet us at our booth on the Capital Terrace
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🆕 Welcome to Dfns, John Walsh! 🎉 Thrilled to share that John is joining us as our first Strategic Account Manager for the Americas 🌎 John will manage some of our most important institutional relationships, helping clients scale their use of Dfns’ wallet infrastructure across
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Done ✅
🆕 @flow_blockchain is now live as a Tier-1 blockchain on Dfns ➕ Today we’re excited to announce full Tier-1 support for Flow across the Dfns Wallet-as-a-Service platform, bringing FLOW and Cadence-based assets into our programmable wallet infrastructure. Flow was built for
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Congrats on what you've built, @mitul_manish23 and the @Openwallet_com team! One of the finest apps out there to manage your digital assets 👏 Check it out:
🤝 @Openwallet_com selects @dfnsHQ as their wallet infrastructure ✨ Open Wallet, the all-in-one consumer finance app backed by @yologrouplife, is building one of the cleanest, fastest, and most intuitive money experiences on the market. Crypto, fiat, payments, cards, swaps,
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A stablecoin PSP asked us for a side-by-side comparison between @dfnsHQ and two other wallet providers. We delivered because we find these exercises important. It’s healthy to compare, learn, and pressure-test your own assumptions. What came out of it is pretty clear: when you
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Done ✅
🆕 Dfns now supports @Plasma as a Tier-1 blockchain ✨ Plasma, the @Tether_to backed chain built for real-time stablecoin payments, is now fully integrated into the @dfnsHQ Wallet-as-a-Service platform. This means developers, fintechs, and institutions can create and manage
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🚨 Security Advisory: CGGMP21 Vulnerabilities Patched Two vulnerabilities were recently disclosed in CGGMP21, a threshold ECDSA protocol widely used in MPC systems. Both issues are fully patched in Dfns’ implementation. ➡️ 𝟵𝟵% 𝗼𝗳 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘄𝗲𝗿𝗲 𝗻𝗲𝘃𝗲𝗿
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✈️ Our CEO, @clarisse_hagege, will attend the @ParisFinForum on November 25 🇫🇷 It’s one of Europe’s most exclusive invite-only fintech events, bringing together 150 top execs, founders, and investors for high-level discussions and curated networking in Paris. This year’s group
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It’s @FintechNerdCon today! 🎉 Our entire team will be in Miami this week, from Coconut Grove 🥥 to Wynwood Connect with @clarisse_hagege or @christophergdf. DM or email us: [firstname]@dfns.co
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