Coinbase CEO Brian Armstrong has shared ten innovative crypto ideas that he believes could revolutionize the digital currency space. These ideas include a decentralized currency that tracks consumer prices, a decentralized protocol that assigns reputation scores based on onchain data, a new advertising model for Web 3, a platform combining features of Stripe Atlas and AngelList in Web 3, a global job market with payments made in crypto, privacy features for layer 2 solutions, a decentralized P2P exchange, games with player-owned in-game items, tokenizing real-world assets, and tools to manage startup cities and network states.