Steve Carter, a stay-at-home dad based in Austin, Texas, has earned $1.5 million from Ethereum (ETH) and Solana (SOL) by monitoring price predictions.He started with $5,000 in Ethereum and saw it grow into a substantial amount.Steve is now attracted to BlockDAG (BDAG) and believes it has significant growth potential.BlockDAG utilizes Directed Acyclic Graph technology and analysts predict its price to reach $30 by 2030.