BlockHash: Exploring the Blockchain

For episode 726 of the BlockHash Podcast, host Brandon Zemp is joined by Margaret Graziano. She is a leadership strategist, keynote speaker, and culture transformation expert with over 25 years of experience working with CEOs, founders, and executive teams.  After seeing that most performance issues stem from culture, not hiring, she founded KeenAlignment and created the ResponseAgility framework. Step into the next level of your leadership. Visit https://margaretgraziano.com/evolve-the-leader-within/ to join Evolve the Leader Within and start building the clarity, confidence, and discipline required to lead under pressure. 

For episode 725 of the BlockHash Podcast, host Brandon Zemp is joined by Himanshu Sahay, Co-founder & CTO of Arch. Arch Lending is a financial technology company providing crypto-backed lending solutions for individuals and institutions.Himanshu Sahay is Co-Founder and Chief Technology Officer of Arch, where he leads the company's technical strategy and oversees the development of its core infrastructure.  

For episode 724 of the BlockHash Podcast, host Brandon Zemp is joined by Samuel (Chad) Patt, Co-founder of OP_NET.OP_NET enables smart contracts directly on Bitcoin Layer 1, with no bridges, sidechains or Layer 2s. BTC is used as gas, keeping all security and liquidity native to Bitcoin. This unlocks stablecoins, lending, trading, staking and DeFi entirely on Bitcoin without wrapped assets or custodial risk.Samuel has always pursued opportunities that challenge conventional market cycles and push the boundaries of narrative. Coming from a punk background, his passion for Bitcoin stems from its decentralized architecture and anti-establishment ethos. In 2023, alongside his co-founders Danny and Anakun, Samuel began building toward a more productive Bitcoin - one capable of hosting smart contracts, institutional-grade infrastructure, and open financial applications.  

For episode 723 of the BlockHash Podcast, host Brandon Zemp is joined by Filip Primec, Director of NiceHash AG. With a robust background in law, he has been a member of the Slovenian Bar Organization since 2012 and previously served as Head of the Legal Department at NiceHash since 2017. Filip is a legal expert in IT, blockchain, and online services. A trained lawyer turned Bitcoin enthusiast, he began his crypto journey with NiceHash in 2017. Over the years, he has handled everything from regulatory discussions and tax issues to building AML frameworks and responding to security incidents. Having seen the industry evolve from its “wild west” phase to today’s regulated markets, he remains committed to its continued growth.

For episode 722 of the BlockHash Podcast, host Brandon Zemp is joined by Matt Edelman, CEO of Super League, where they are turning attention into action with playable media across the world's most popular game platforms.Super League delivers full-funnel marketing campaigns built around playable media. From immersive content to direct-response ads, their cross-platform programs reach 94% of Gen Alpha and 92% of Gen Z. 

For episode 721 of the BlockHash Podcast, host Brandon Zemp is joined by Sisun Lee, Head of Crypto at Aven.Aven is reinventing consumer credit. Their mission is to provide the lowest-cost, most transparent, and most convenient access to capital. They use technology to unlock the wealth in your assets and give you credit for what you already own. 

For episode 720 of the BlockHash Podcast, host Brandon Zemp is joined by Matt Carr, Managing Partner of QCI Partners.

For episode 719 of the BlockHash Podcast, host Brandon Zemp is joined by Alexandre Mongeon, CEO of Vision Marine Technologies. They are a marine technology and retail company focused on expanding what is possible on the water through advanced propulsion systems, integrated platforms, and premium boating experiences.

For episode 718 of the BlockHash Podcast, host Brandon Zemp is joined by Peter Anthony, Co-founder of Perceptron, a decentralized data infrastructure for AI. While VCs have poured over $170 million into AI data infrastructure this past year, nearly all of it has gone to centralized models. Perceptron is the decentralized alternative, with over 700,000 real users sharing idle bandwidth to collect, structure, and verify data in real time across 150 countries. 

For episode 717 of the BlockHash Podcast, host Brandon Zemp is joined by Georges Saleh of CereAura.CereAura simplifies and humanizes autism support through science-backed care, adaptive technology, and deep empathy— supporting the child and everyone around them. CereAura was born from the need to simplify fragmented autism care. They bring support, progress, and guidance into one calm platform so parents feel clear, confident, and supported. 

For episode 716 of the BlockHash Podcast, host Brandon Zemp is joined by Seth, COO of Cake Wallet.Cake Wallet, one of the longest-running open source Bitcoin, Monero, and Zcash wallets, recently introduced a Lightning integration designed to remove that tradeoff, enabling instant payments without channel or liquidity management while keeping self-custody and an on-chain exit. 

For episode 715 of the BlockHash Podcast, host Brandon Zemp is joined by Krissy.Krissy (@krissyonfire) is a California-based lifestyle, beauty, and food influencer in Las Vegas recognized for her curated, "main character energy" content. She shares insights into her life, ranging from daily vlogs and pilates sessions to high-end social experiences.

For episode 714 of the BlockHash Podcast, host Brandon Zemp is joined by Yuen Wong Staynex. Staynex is the future of social travel that leverages Real-World Assets (RWA), AI and blockchain integrations to enable new experiences, greater savings, and broader choices for travellers. 

For episode 713 of the BlockHash Podcast, host Brandon Zemp is joined by Aaron Rafferty, Author of “The New Money Order” and Co-founder of WYDE.The New Money Order is a strategic blueprint for business leaders navigating the transition from traditional global finance to an economy driven by artificial intelligence and programmable money. Drawing on historical cycles of technological revolution, Aaron Rafferty argues that the post-WWII monetary system is being replaced by a digital infrastructure where AI agents, equipped with blockchain-based wallets, handle transactions and operations autonomously.

For episode 712 of the BlockHash Podcast, host Brandon Zemp is joined by Jacob Krell, Senior Director of Secure AI Solutions and Cybersecurity for Suzu Labs.Suzu Labs is an innovative cybersecurity and AI solutions provider, launched in 2025. The firm specializes in bridging the gap between artificial intelligence and security, offering tailored AI development, AI security assessments, and traditional cybersecurity services.

For episode 711 of the BlockHash Podcast, host Brandon Zemp is joined by Mamadou Kwidjim Toure, CEO of UTribe, a long‑term Web3 infrastructure and real‑world asset (RWA) project focused on bringing regulated, transparent financial access to a global audience — especially in regions historically excluded from traditional finance.

For episode 710 of the BlockHash Podcast, host Brandon Zemp is joined by Marco Kowalewski, Managing Partner at MovitOn.MovitOn is a Web3 peer-to-peer (P2P) logistics platform designed to connect people who need to ship items with travelers heading in the same direction. Often described as the "Uber for delivery," it aims to bypass traditional courier high fees and restrictions by leveraging a decentralized network.

For episode 709 of the BlockHash Podcast, host Brandon Zemp is joined by Troy Fitrell, CEO of SAGINT.Pioneering the future of digital asset infrastructure, SAGINT transforms tangible assets, commodities, real estate, and natural resources, into secure, tradable digital tokens on blockchain. Leveraging AI and Web3, our platform delivers tokenization, lifecycle management, and decentralized trading with real-time settlement, regulatory compliance, and transparent audit trails. From critical mineral value chains to streamlined toll systems, SAGINT OS builds trust and efficiency across global economic networks.

For episode 708 of the BlockHash Podcast, host Brandon Zemp is joined by Blake Richardson, Co-founder of Superform.Superform is a decentralized, non-custodial "onchain wealth app" and yield marketplace designed to simplify how users find, invest in, and manage crypto yield opportunities across multiple blockchains. It is often described as a user-owned neo-bank 

For episode 707 of the BlockHash Podcast, host Brandon Zemp is joined by Harrison, CEO of Pumpcade.Built by a former LimitBreak engineer, Pumpcade lets users speculate on real-world data (ex. Times Square traffic) and cash out in under 90 seconds. Every market resolves automatically using the same official APIs as the underlying data source, removing the delays and disputes we're all seeing on platforms like Polymarket. No more “Did Cardi B Perform?' debates. 

For episode 706 of the BlockHash Podcast, host Brandon Zemp is joined by Marc Vanlerberghe, Chief Strategy and Marketing Officer at the Algorand Foundation.Algorand is a leading Layer 1 blockchain focused on building secure, scalable infrastructure for real-world use cases. Through the Algorand Foundation, the ecosystem supports developers and organizations building applications across payments, digital identity, and asset tokenization. Marc brings a platform-building lens to crypto. Before Algorand, he was CEO of conversational AI startup Rulai, CMO at Medallia, and spent close to a decade at Google where he helped launch Android and led marketing for Google Play, hardware, and retail. 

For episode 705 of the BlockHash Podcast, host Brandon Zemp is joined by Wael Rajab, Co-founder of DEXTools, Director of DEXT Ventures & CMO of PERPTools.PERPTools is a decentralized finance (DeFi) trading platform designed for trading perpetual futures (perps), which often acts as part of the broader DEXTools ecosystem. It provides users with tools for high-leverage trading, including features such as AI-driven trading agents and high-speed execution. 

For episode 704 of the BlockHash Podcast, host Brandon Zemp is joined by Rolf Versluis, Co-Founder at Horizen. Horizen Labs is a blockchain technology company founded in 2019 that specializes in zero-knowledge (ZK) cryptography and Web3 engineering. The company builds infrastructure, tools, and custom blockchain solutions designed to enhance privacy and scalability for real-world enterprise and decentralized applications.

For episode 703 of the BlockHash Podcast, host Brandon Zemp is joined by Stephen Sikes, COO of Public Investing.Public.com is an all-in-one investing platform designed to make financial markets accessible to everyone through a mobile-first app. Originally known for introducing commission-free fractional stock trading, Public has expanded into a multi-asset platform allowing users to invest in stocks, ETFs, crypto, corporate bonds, and Treasuries, while offering AI-powered insights and a high-yield cash account. 

For episode 702 of the BlockHash Podcast, host Brandon Zemp is joined by Luke Barwikowski, Founder of Pixels to talk about Stacked. Stacked is an AI-powered engagement and rewards infrastructure platform that helps game studios increase retention, improve monetization, and introduce sustainable reward systems — without building the entire stack internally. 

For episode 701 of the BlockHash Podcast, host Brandon Zemp is joined by Dr Manny Ahmed, CEO & Founder of OpenOrigins, a media authenticity company that fights deepfakes by establishing an immutable record of content provenance.  As part of his PhD in Computer Security at the University of Cambridge, he developed a blockchain-based media provenance framework years before generative AI made creating synthetic media a matter of routine. That research forms the technical foundation of OpenOrigins and continues to guide the company's approach to verifiable media. He holds a master's degree from ETH Zurich and has worked on high-integrity security and trust systems at Thales and nCipher Security. Manny also invented the leading anonymous whistleblowing system used by major news organizations like The Guardian. 

For episode 700 of the BlockHash Podcast, host Brandon Zemp is joined by Zach Pandl, Head of Research at Grayscale.Grayscale enables investors to access the digital economy through regulated investment products. Grayscale has a proven track record and unrivaled expertise as the world's largest crypto asset manager. Many investors and advisors look to Grayscale's private placements, public quotations, and ETFs for exposure to both single asset and diversified investment products. 

For episode 699 of the BlockHash Podcast, host Brandon Zemp is joined by Kevin Crouvizier, Co-founder of Royaltiz, a blockchain platform focused on tokenized talent, is launching a digital asset tied to French football star Eduardo Camavinga on Solana. 

For episode 698 of the BlockHash Podcast, host Brandon Zemp is joined by Ken Griggs, CEO of Julia Social.Ken Griggs is an Emmy Award–winning technologist, inventor, and entrepreneur with multiple patents in blockchain and cryptography applications. He is the Founder and CEO of Julia.social, a stealth-mode startup built on the Chia blockchain. 

For episode 697 of the BlockHash Podcast, host Brandon Zemp is joined by CSO David Dai to dive into the rise of RealFi with insights from Pharos Network, a financial-grade Layer 1 built to bring real-world assets fully on-chain. 

For episode 696 of the BlockHash Podcast, host Brandon Zemp is joined by Wooster Han, Head of Communications for Hashed.Founded by a team of serial entrepreneurs and engineers in 2017, Hashed is the preeminent blockchain firm in Asia with a portfolio that spans the globe. Their mission is to accelerate the mass adoption of blockchain by investing their own resources and empowering a new wave of entrepreneurs and innovators who are creating this future.  

For episode 695 of the BlockHash Podcast, host Brandon Zemp is joined by Alex Mirran, the Gradient Business Development team lead in North America onboarding key inference customers and developing strategic partnerships. Alex has spent over 8 years in distributed AI systems, fintech, and capital management executing go to market strategies and capital formation.

For episode 694 of the BlockHash Podcast, host Brandon Zemp is joined by Trevor Harries-Jones, Board Director for Render Network, a decentralized GPU network powering some of the world's biggest visual and entertainment projects, including Las Vegas Sphere visuals, Super Bowl trailers, and Coachella stage shows. They are emerging as a counterweight to GPU consolidation and an alternative compute layer for AI and real-time rendering. 

For episode 693 of the BlockHash Podcast, host Brandon Zemp is joined by Dr. Hany Demian, a longevity and anti-aging specialist. Dr. Hany Demian is focused on the intersection of longevity medicine, systems-based care, and artificial intelligence.  

For episode 692 of the BlockHash Podcast, host Brandon Zemp is joined by MinChi Park, COO & Co-founder of Coinfello.CoinFello, the first AI agent capable of on-chain interactions with any smart contract, was introduced to ETHDenver attendees during the conference's opening ceremonies. Founded by former MetaMask operations lead JacobC.eth, CoinFello is launching as an EIP-8004 agent that can be called from other AI agents in Ethereum's growing agentic economy. As part of the launch, CoinFello created BuffiBot, ETHDenver's official AI assistant, which helps attendees navigate schedules, speakers, workshops, vendors, and side events via text or real-time voice inside the ETHDenver app. 

For episode 691 of the BlockHash Podcast, host Brandon Zemp is joined by Amit Mahensaria, Co-Founder and CEO of PRED.Pred operates as a peer-to-peer sports prediction exchange built on Base blockchain. Unlike traditional sportsbooks that profit from your losses, Pred generates revenue through trading fees on matched orders. The key distinction: we don't take the other side of your trade, we just run the market.Amit Mahensaria has spent the last two decades building and scaling ventures that bridge technology with learning outcomes and employability. His career crosses startup building, corporate finance, and edtech product leadership  grounded in top Indian technical and business education. 

For episode 690 of the BlockHash Podcast, host Brandon Zemp is joined by Christian Nunez, Senior Partnerships Manager for Sumsub, where you control all your identity operations under one configurable platform. Tailored to your risk appetite, market demands, and use cases, it's powered by adaptive AI intelligence to support global scale while keeping your business compliant and future-ready.

For episode 689 of the BlockHash Podcast, host Brandon Zemp is joined by Erik Balsbaugh of Open Frontier at ETHDenver.Open Frontier is on a mission to promote responsible financial innovation while ensuring strong regulatory guardrails, countering Wall Street and big tech, and stopping bad actors. Finance is evolving, and progressive voices need a seat at the table. 

For episode 688 of the BlockHash Podcast, host Brandon Zemp is joined by Viktor Ihnatiuk, Co-Founder and CEO of Utexo, a Bitcoin-native stablecoin settlement network backed by Tether. Utexo enables private, compliant USDT payments with fixed costs, powered by the Lightning Network and RGB.Viktor is a Bitcoin and Web3 engineer with over 12 years of experience building core infrastructure, protocol tooling, and privacy-preserving distributed systems. A serial entrepreneur, he has founded and scaled multiple successful ventures across the crypto industry. Previously, Viktor scaled Boosty Labs into the leading European Web3 development house, growing the team to 150+ engineers and partnering with major industry players including Coinbase, Ledger, Consensys, MoonPay, and Blockchain.com. Earlier in his career, he joined Storj Labs to help build decentralized cloud infrastructure, where he led the Growth team. He was responsible for expanding the distributed node network and shipping operator-facing tools that improved usability and long-term sustainability. Following this period of growth and infrastructure maturation, Storj achieved a successful exit after its acquisition. In parallel with these ventures, Viktor co-founded Astroid to support early BTCFi teams, helped launch the RGB Association, and contributed to Thunderstack—the primary infrastructure provider for RGB—built in collaboration with Tether and Fulgur. Across his work, Viktor focuses on expanding Bitcoin's utility and driving real-world adoption through scalable, privacy-first financial applications. 

For episode 687 of the BlockHash Podcast, host Brandon Zemp is joined by Yuannan Yang, Security Engineer at CertiK, the largest Web3 security services provider. CertiK offers a wide range of products and services to support the Web3 industry, project teams, and users alike. CertiK's products and services span the entire lifecycle of project development, from incubation and early stages, to growth and maturity. CertiK is one of the most globally recognized companies in the Web3 industry, serving users across 150 countries/regions.Yuannan Yang, based in Washington, DC, US, is currently a Security Engineer at CertiK. Yuannan Yang brings experience from previous roles at Johns Hopkins Whiting School of Engineering, Tsinghua University and Red Hat. Yuannan Yang holds a 2019 - 2020 Master's degree in information security @ Johns Hopkins Whiting School of Engineering.

For episode 686 of the BlockHash Podcast, host Brandon Zemp is joined by Blue, Founder & CEO of Levr Bet, the world's first decentralized leveraged sports betting exchange. It operates on blockchain technology (primarily Monad and Avalanche) to offer a transparent, on-chain, and high-frequency betting experience without intermediaries.

For episode 685 of the BlockHash Podcast, host Brandon Zemp is joined by Muriel Médard, CEO of Optimum, where they are building the fastest decentralized internet protocol for Web3, starting with a high-throughput, low-latency networking protocol that permissionlessly integrates with any blockchain. Optimum is building infrastructure that helps crypto networks and communities operate at peak efficiency. By aligning incentives, streamlining participation, and optimizing on chain activity, Optimum aims to create smarter, more sustainable ecosystems across decentralized networks. As blockchain adoption accelerates, fragmented participation and misaligned incentives continue to slow growth. Optimum tackles this head on by providing tools and systems that empower builders, validators, and communities to coordinate more effectively and unlock long term value.

For episode 684 of the BlockHash Podcast, host Brandon Zemp is joined by Hoolie Tejwani, Head of Coinbase Ventures.Coinbase Ventures is the corporate venture capital arm of the major cryptocurrency exchange Coinbase, launched in 2018 to invest in early-stage crypto and Web3 startups. Its mission is to support "exceptional founders" building the foundation of an open financial system, aligning with Coinbase's overarching goal of increasing economic freedom in the world.  The firm has backed over 600 companies and operates with a highly collaborative approach, offering portfolio companies operational guidance, strategic partnerships, and access to the wider Coinbase ecosystem. 

For episode 683 of the BlockHash Podcast, host Brandon Zemp is joined by Rob Tökölyi, CEO of WeChange, a global noncustodial fiat-to-crypto on-ramp designed to make crypto access simpler, more transparent, and more affordable. They support local bank transfers worldwide and prioritize user self-custody, allowing users to buy and sell crypto without unnecessary complexity or excessive fees.WeChange announced the official launch of its noncustodial fiat-to-crypto on-ramp, designed to simplify how everyday users buy and sell digital assets while maintaining full control of their funds. The platform went live globally on January 30, supporting bank transfer methods across more than 190 countries. 

For episode 682 of the BlockHash Podcast, host Brandon Zemp is joined by Sydney Huang, Founder of HumanAPI at ETHDenver. Sydney Huang is the Founder of Human API and CEO of Eclipse, where she leads product and strategy for AI-native infrastructure. She launched Turbo Tap, scaling it to 300K users, 50K DAU, and 22B+ in-game transactions, and has held product roles across Web3 projects including DeGods, y00ts, and Unstoppable Domains. Previously, she worked in M&A and Venture Capital at Dell Technologies and is a Babson College graduate.

For episode 681 of the BlockHash Podcast, host Brandon Zemp is joined by Catherine Daly, CMO for Space and Time, a decentralized data warehouse designed to connect on-chain blockchain data with off-chain enterprise data to support AI, smart contracts, and Web3 applications.

For episode 680 of the BlockHash Podcast, host Brandon Zemp is joined by Jay Kurahashi-Sofue, CMO of Eco at ETHDenver.Eco is a blockchain-based, full-stack infrastructure protocol designed to unify stablecoin liquidity across different blockchains and make onchain payments, transfers, and app interactions as fast, cheap, and simple as possible. It is not a new stablecoin itself, but rather a "Stablecoin Economy" layer—often referred to as a "stablelayer"—that helps developers and users move, manage, and spend stablecoins (like USDC or USDT) across various chains without dealing with fragmented networks, manual bridging, or gas fees in native tokens. 

For episode 679 of the BlockHash Podcast, host Brandon Zemp is joined by Erald Ghoos, CEO of OKX Europe.OKX is an innovative cryptocurrency exchange with advanced financial services. They rely on blockchain technology to provide everything you need for wise trading and investment. 

For episode 678 of the BlockHash Podcast, host Brandon Zemp is joined by Micky Watkins, Founder and CEO of World Mobile, a blockchain-enabled 5G network, has just crossed over 2 million users in its mission to connect everyone, everywhere, while returning control of data and connectivity to the people.Micky is a telecom entrepreneur challenging the monopoly of Big Wireless. He previously founded Yallo, one of the first internet-calling platforms, and over his career has raised millions from global backers including Deutsche Telekom and Carmel Ventures. Today, he leads World Mobile in building the world's first decentralized, community-owned mobile network, with a mission to connect everyone, everywhere, while returning control of data and value to the people. 

For episode 677 of the BlockHash Podcast, host Brandon Zemp is joined by Parth Kapadia, Co-founder and CEO of OpenVPP.OVPP is Building The Internet of Energy by Providing Regulated Digital Asset Rails for Power & Utility Providers. OpenVPP is led by Co-Founder & CEO, Parth Kapadia. Parth brings a wealth of experience from the electric utility industry, including roles at Exelon Corp and AutoGrid (acquired by Uplight, a Schneider Electric company), where he served as Director of Technical Product Management.

For episode 676 of the BlockHash Podcast, host Brandon Zemp is joined by Lux Thiagarajah, CCO of OpenPayd. Lux Thiagarajah has over 17 years experience working for some of the largest and most innovative organizations in finance, including JP Morgan, HSBC, BCB and FalconX. He started his career as an FX trader at JP Morgan, before moving to the buy side to run a macro trading desk. More recently he has moved into senior roles in payments, becoming the CRO of BCB and now Chief Commercial Officer at OpenPayd. Lux joined OpenPayd with a track record for taking businesses to their next stage of development, and is responsible for driving revenue and growth from both new and existing clients, as well as and identifying strategic partnerships that can further OpenPayd's ambitions.