Isaac Zarb is an infrastructure leader with over a decade of experience in blockchain systems, distributed architecture, and high-availability networks. As Co-Founder of Spectrum Nodes, he has architected and scaled validator and RPC infrastructure to thousands of nodes, delivering industry-leading uptime at global scale. He specializes in building resilient, distributed systems and has played a key role in advancing staking infrastructure across multiple blockchain networks, while forging strategic partnerships with leading players in the ecosystem.