Explore key blockchain concepts and challenges in this Q&A session featuring experts John Domingue and Sajida Zouarhi. Delve into topics such as decision-making in blockchain environments, cryptocurrency security, smart contracts, and the potential impact of quantum computing. Gain insights on public, private, and consortium blockchains, ICO governance, and ethical considerations in blockchain implementation. Learn about state channels, decentralized storage, and alternatives to traditional blockchain systems. Understand the lessons learned from Bitcoin and the potential applications of blockchain technology in smart city projects and national governance.