"Ethereum’s popularity has congested the network like never before, and scalability is top of mind. Historically, and still today, many look beyond Ethereum for more scalable smart contract platforms. However, the most interesting scaling battles are being waged above Ethereum on Layer 2s (L2), not besides Ethereum on Layer 1s.  One specific flavor of Ethereum L2 scaling solutions, Zk-rollups, are live and flourishing today (rollups bundle transfers into single transactions). So much so that many leading community members support simplifying Ethereum’s Eth2 upgrade to focus on a rollup-scaled ecosystem. With this in mind, the new competitive arena is between Ethereum-enhancers, not Ethereum-killers."