Most new blockchains shouldn't exist. The ones that should share a common trait: their domain logic must live at the consensus layer, not the application layer. Here's a framework for telling them apart.The ProblemBetween 2021 and 2023, the industry launched dozens of alternative Layer 1 blockchains. Most were general-purpose EVM-compatible chains differentiated by marginally different parameters—faster block times, cheaper gas, a slightly different consensus algorithm. Few had a structural r...