Explore the foundations of cryptocurrency in this 21-minute video presentation by Linda Xie, co-founder of Scalar Capital. Trace the evolution from digital money and Bitcoin's inception to Ethereum's smart contracts and the explosion of crypto tokens. Delve into the technology behind mining, network security, and the potential for new applications enabled by blockchain. Examine the role of open-source development, forking, and the distinctions between pseudonymous and anonymous transactions. Gain insights into privacy coins, the inefficiencies of traditional banking, and the transformative potential of crypto beyond just financial transactions. Originally presented at an "Intro to Crypto" event by Andreessen Horowitz and #Angels in April 2018, this comprehensive overview provides a foundation for understanding the rapidly evolving cryptocurrency landscape.