Blockhash: Exploring The Blockchain

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 impro

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.