block by block

Stellar Development Foundation
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Nov 10, 2025 • 48min

How LayerZero Solves the $700M Bridge Problem | LZ's Brian Pellegrino on Omnichain Assets

In this episode of Block by Block, Denelle Dixon sits down with Brian Pellegrino, CEO and Co-Founder of LayerZero Labs, to explore how blockchain interoperability is evolving beyond traditional bridges and wrapped assets toward true omnichain infrastructure. What You'll Learn: -How omnichain tokens eliminate fragmented liquidity and security risks -Why LayerZero is a messaging protocol, not a bridge -The importance of immutable, censorship-resistant infrastructure -How blockchain interoperability will become as invisible as HTTPS
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Oct 22, 2025 • 42min

How Etherfuse Aims to Bring 100 Sovereign Currencies Onchain with Dave Taylor

This episode explores how Etherfuse is using Stellar to build open, interoperable financial rails that keep money, and access, truly open. Dave Taylor, Co-Founder and CEO of Etherfuse, joins Denelle to share how bringing local-currency sovereign bonds onchain through stablebonds can create transparent, yield-bearing opportunities for savings and payments. Together, discussing what it takes to keep these rails permissionless, ensure composability across builders, and expand real-world access to trusted financial assets - all while helping local economies thrive without relying solely on the U.S. dollar.
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Sep 5, 2024 • 41min

Real-world impact : Leading with the caring edge ft. Elisabeth Carpenter, COO of Circle

In our third and final episode in our mini-series on how to make a real-world impact, Denelle talks with Elisabeth Carpenter, COO of Circle. Denelle and Elisabeth talked about the value stablecoins have for global users, why enterprise innovation is not just compatible but complementary to social impact, and why skepticism about a new technology can be healthy, and where we are on the transformation journey in movement of money. Join us to hear how to make it happen…block by block.
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Aug 22, 2024 • 32min

Real World Impact: The Value of Inclusion ft. Mary Ellen Iskenderian, CEO of Women’s World Banking

In our second episode in our mini-series on how to make a real-world impact, Denelle talks with Mary Ellen Iskenderian, President and CEO of Women’s World Banking. Denelle and Mary Ellen talked about how access and inclusion are different, how financial institutions improving their customer experience for women are driving big business improvements, and why it’s important not to lose sight of the long game. Join us to hear how to make it happen…block by block.
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Aug 8, 2024 • 28min

How mobile wallet Decaf is delivering real world benefits across the globe with Rick Martin

Denelle kicks off Season 3’s miniseries on real-world impact with Rick Martin of decaf. Rick and the decaf team have built a blockchain-powered mobile wallet, leveraging digital assets integrated with local cash in and out points, that is giving people a new found sense of pride in their work and for some, provides greater physical security. They explore these real world impacts and how it’s important to create and maintain trust with users, all while being a voice at the table for those that don’t have a seat. Join the conversation to learn how to make it happen….block by block.Learn more about the Decaf Digital Wallet: https://bit.ly/decaf_builds_better
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Feb 29, 2024 • 31min

An Innovator's Journey: Insights on Blockchain, Space Exploration, and AI Impact

Discover Jed McCaleb's journey from early coding passion to shaping the future of blockchain, space, and AI. Explore his innovative ventures, challenges faced, and plans for space habitation and AI research. Dive into the regulatory landscape for blockchain and AI, and learn about the evolution of smart contracts with Stellar.
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Jan 23, 2024 • 17min

Digital Transformation inside Moneygram International

Denelle Dixon, and Alex Holmes, CEO of MoneyGram, unpack MoneyGram's transformative journey from conventional remittance services to a digital powerhouse. Denelle and Alex cover the company’s strategic shifts and pivotal moments in embracing digital innovation, showcasing Holmes' insights into the company's evolution. Dixon emphasizes the collaborative efforts that led to the creation of MoneyGram Access and the recent launch of their non-custodial wallet, unveiling a vision to bridge traditional finance with blockchain technology, revolutionizing cross-border payments and fostering financial inclusion on a global scale. How does a more than 80 year old company adopt new technologies and reshape the financial landscape? Listen to find out. 
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Dec 5, 2023 • 37min

Trust, Disruption, & Navigating the Decentralized Frontier ft Konstantin Richter, CEO of Blockdaemon

Denelle dives into the dynamic world of crypto with Konstantin Richter, the visionary founder of Blockdaemon.  From reflecting on personal growth and lessons learned to exploring the intricate balance between disruption and collaboration, Konstantin shares insights on building trust, navigating the crypto landscape, and Blockdaemon's journey in simplifying crypto infrastructure for major institutions. This conversation provides a thought-provoking glimpse into the evolving future of decentralized technologies and Blockdaemon's pivotal role in shaping it.
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Nov 15, 2023 • 27min

A Global Perspective on Digital Asset Innovation ft. Tajinder Singh, Deputy Secretary General of the International Organization of Securities Commissions (IOSCO)

Tajinder Singh, Deputy Secretary General of IOSCO, discusses regulation in the crypto industry, focusing on investor protection and market integrity. The importance of collaboration, aligning regulatory approaches, and engaging with regulators for digital asset innovation is highlighted.
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Jun 26, 2023 • 38min

Why the Regulatory Fight for Crypto in the US Is Worth It ft. Carole House

Carole House has been behind the scenes on some serious cybersecurity and policymaking efforts for crypto, having served as the Director of Cybersecurity and Secure Digital Innovation at the White House National Security Council as well as at the US Treasury’s Financial Crimes Enforcement Network (FinCEN). Now at Terranet Ventures, she sits down with Denelle to discuss crypto’s benefits for financial crime investigations, the pros and cons of enforcement actions, the process of pulling together President Biden’s government-wide strategy for digital currencies, and why the fight for an enabling regulatory environment in the US is worth it.Follow Denelle on Twitter: @DenelleDixonFollow Stellar Development Foundation on Twitter: @StellarOrgFollow Stellar Development Foundation on LinkedInListen on SpotifyListen on Apple Podcasts

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