币界网报道：The altcoin market remains stagnant as investors await clearer regulatory signals, despite major developments in the sector. Ethereum co-founder Vitalik Buterin highlights the need for altcoins to shift focus from speculation to real-world utility, citing projects like Helium and Decentraland as examples of practical blockchain applications. Meanwhile, Cardano's recent smart contract upgrade and Solana's growing NFT ecosystem demonstrate ongoing technical progress. Analysts note that while Bitcoin and Ethereum dominate market attention, altcoins with strong use cases could see renewed interest as the industry matures. The market's sideways movement reflects cautious sentiment amid macroeconomic uncertainties and pending crypto regulations in key jurisdictions.