This 1 Metric Shows Ethereum Soaring Over Solana and Cardano. But Is It a Buy?

Ethereum's (CRYPTO: ETH) price decline of 48% during the past 12 months leaves it badly lagging behind both Solana (CRYPTO: SOL), which gained 32%, and Cardano (CRYPTO: ADA), which lost just 7% of its value. But there's one important metric about develope