BlockDAG, Dogecoin, Jupiter, and Ethena are among the most popular crypto projects to watch in 2025. BlockDAG's Awakening testnet has achieved 1,400 transactions per second and raised $420 million in its presale. Dogecoin continues to be a cultural phenomenon, maintaining strong demand due to its low transaction costs. Jupiter, a DeFi protocol on Solana, processes over $60 million daily and has recently introduced a lending service. Meanwhile, Ethena, with $20 million in backing, is driving the adoption of synthetic dollars, boasting a total value locked (TVL) nearing $15 billion.