This book summarizes several industry happenings in the blockchain world. While the blockchain and cryptocurrency industry has grown leaps and bounds, within the past several years including newer forms of products that use decentralized finance, non-fungible tokens, smart contracts, etc. Overall, the decentralized finance (Defi) markets have grown to include protocols such as MakerDAO, Uniswap, wrapped tokens such as synthetics, etc. However, Non Fungible tokens create a large marketplace, giving digital art a unique and powerful outlet. Overall non-fungible tokens can be traded for other assets such as Ethereum, Bitcoin, etc. on public decentralized and centralized marketplaces. Overall, smart contracts provide unique opportunity to enable different types of marketplaces that include financial assets and non-fungible tokens that include digital art and smart contract based financial instruments.