This is cool. A block explorer across the Superchain.

This is cool. A block explorer across the Superchain. https://superscan.network/

Memetic-Artist. Techno-Optimist. Purple. Energy. Nouns. Optimism Citizens House. ↑↑↑ Product @CharmVerse. 

how would you explain the superchain to a newcomer in web3?

learning how to write (both words and code) /anky

Layer 2 blockchains increase Ethereum's throughput by handling computation offchain and recording the results onchain. The Superchain is a collective of Layer 2 blockchains that share a common codebase for their blockchain. Therefore a single improvement by a developer elevates the entire Superchain network