This lecture explores the world of stablecoins, focusing on themes like backed assets, stability mechanisms, regulations, and real examples. It delves into the gas fee problem in Ethereum, layer 2 solutions, gas tokens, and smart contract mechanisms. The presentation covers tokenomics, incentives for system usage, and different tokenomic ideas. It also discusses student presentations on decentralized governance, financial inclusion, and the rise of cryptocurrencies. The lecture concludes with insights on decentralized scientific publishing, consensus mechanisms in blockchain, and the potential of central bank digital currencies.