🏗️ Like when a city planner starts with the electrical grid…
Crypto developers work to scale blockchains as they grow in users and in use cases. But the foundation new crypto additions are built on, the base blockchain itself, is called a "layer 1." (The additions are — you guessed it — layer 2s.)
The price of solana and cardano slipped 30% last week after the SEC said in a lawsuit that the cryptos are securities. The coins are associated with layer-1 blockchains (also dubbed solana and cardano), which compete with the ethereum blockchain (aka: "ETH killers").