A Lot more network participation and security: With sharding, you should be able to run Ethereum with a laptop or cell phone. This means much more participation, larger decentralization, and even more security. What are layer two rollups? The first qualified block designed by a validator was slot 1. https://financefeeds.com/bitcoin-nears-100k-xrp-breaks-above-3-remittix-volume-soars-how-high-can-they-all-go-this-bull-run/