Dennis Owusu-Sem
@dsem221
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COO @twifintech | Fintech enthusiast decoding stablecoins & payments innovation |@Forbes Top 25 Black British Leaders To Follow
United States
Joined July 2009
. @stripe recently acquired @privy_io a startup powering 100M+ crypto wallets. The story behind it? Henri Stern’s ( @henri_stern ) relentless focus on making digital ownership as seamless as logging in with email. Here’s the journey
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The New York edition of @thestablecon was epic, thank you to @NikMilanovic and @dsem221 for bringing together stablecoin’s brightest minds once again, this time in Europe - excited to be a part of it.
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We are beyond thrilled to announce that we're expanding @TheStablecon to EMEA with our first conference in Amsterdam in May 2026. Tickets are on-sale for a steep discount right now (link below). Kicking off our 2026 speaker lineup: - GB Agboola (@theflutterwave) - Chris Harmse
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Here are all the stablecoin slides from the new @a16zcrypto state of stablecoins report. Great market data. Let's talk about it at Stablecoin Day, Monday at Money2020!
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The next chapter of digital finance isn’t coming. It’s already here. On October 27, Stablecon and @getstable_io are taking over Las Vegas for a one-day deep dive into the technologies, policies, and market forces shaping global finance. Welcome to Stablecon day! We’ve brought
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Everything's bigger in Texas—including fintech innovation!🤠 Saddle up, because @twifintech is bringing that big Texas energy to payments, banking, and beyond. Oct 8th: Come join us in Dallas Oct 22nd: Come join us in Austin (Links below)
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Every November since 2022, I've had the incredible privilege of hosting a @twifintech happy hour in Cape Town and I'm super excited to do it again this year. Do you want to reach the biggest names in SA fintech and 70k Africa readers? Let's chat → wiza@thisweekinfintech.com
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8/ From Dan Boneh’s ( @danboneh) crypto lab → Stripe’s rails. Sometimes the biggest breakthroughs aren’t in new tech but in making complexity vanish entirely. #Fintech #Crypto #stablecoins
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7/ Why Stripe? →Stripe processes $1.4T annually. →Privy powers 100M+ wallets. Together → embedded wallets could become as common as credit card processing. Henri: 💬 “Like Stripe, we believe in marrying crypto + fiat so deeply the distinction becomes meaningless.”
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6/ What made Privy different? While everyone else built wallet integrations, Henri focused on making wallets disappear. UX > sophistication. 💬 “Developers had to send users away just to get started. That friction killed adoption.”
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5/ 💡 Privy powers: 👉100M+ accounts 👉1,500+ dev teams 👉Billions of monthly requests
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3/ ➡️2016: Engineer @PalantirTech ➡️2017: Engineer @mark43 ➡️@ProtoResearch Labs (built Filecoin consensus)
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2/ 🎓 Columbia: BA in Computer Science + Intellectual History 🎓 Stanford: MS in Security & Distributed Systems Founded Shout (a marketplace) 💬 “One of those bad good ideas… amazing in theory, doomed in practice.” 💭
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8/ From Dan Boneh’s (@danboneh) crypto lab → Stripe’s rails. Sometimes the biggest breakthroughs aren’t in new tech but in making complexity vanish entirely. #Fintech #Crypto #stablecoins
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