Altcoins in Focus: Aptos, KAIA, and Ravencoin (RVN)Amid Bitcoin’s rapid growth and renewed interest in Ethereum, investors are increasingly turning their attention to altcoins—alternative cryptocurrencies showing strong potential for sharp gains. As of early June 2025, Aptos (APT), KAIA, and Ravencoin (RVN) stand out for their price surges and growi