{"href":"https://api.simplecast.com/oembed?url=https%3A%2F%2Fweb3-with-a16z.simplecast.com%2Fepisodes%2Fbase-jesse-pollak-layer-two-rollup-onchain-u544pI94","width":444,"version":"1.0","type":"rich","title":"Layer 2, Rollups, and Building Onchain (with Base)","thumbnail_width":300,"thumbnail_url":"https://image.simplecastcdn.com/images/3474b6a1-976c-4c75-8e63-e4ad3a3b354d/6d5e7801-f225-452e-9f3c-0df8a5e7f917/a16zcrypto-podcast-20-1.jpg","thumbnail_height":300,"provider_url":"https://simplecast.com","provider_name":"Simplecast","html":"<iframe src=\"https://player.simplecast.com/d5f3793a-da5d-41f6-aa3f-595a1aceef50\" height=\"200\" width=\"100%\" title=\"Layer 2, Rollups, and Building Onchain (with Base)\" frameborder=\"0\" scrolling=\"no\"></iframe>","height":200,"description":"\"Layer 2” rollups are computer networks that are designed to help scale “layer 1” blockchains such as Ethereum — and they've been bustling with activity recently, especially since Ethereum implemented its scaling-related EIP-4844 (\"Dencun\") upgrade in March. Jesse Pollak, who is Coinbase's head of protocols and who founded and leads the popular layer 2 rollup Base, joins a16z crypto engineer Noah Citron and host Robert Hackett to discuss bottom-up vs. top-down innovation, models of leadership, software development roadmaps, and building the onchain economy."}