Extra network participation and security: With sharding, you will be able to operate Ethereum over a laptop or telephone. This means extra participation, larger decentralization, and even more security. What are layer two rollups? They certainly are a immediate competitor to Ethereum as they present very similar characteristics but https://financefeeds.com/the-next-xrp-can-rexas-finance-rxs-repeat-what-ripple-xrp-did-in-2017-and-make-you-a-millionaire/