$BTC recommends some altcoins that will never run away!
Mainstream:
BCH: Bitcoin's scaled-up version, larger blocks
LTC: Bitcoin's altcoin version, faster block generation
ADA: Established academic public chain, solid technology
SOL: Capital darling, ecosystem second only to Ethereum
XRP: Focused on cross-border payments
DOGE: The meme that Musk loves to play with
DeFi track:
MKR: The big brother of decentralized lending
AAVE: Leading lending platform
UNI: The largest decentralized exchange
COMP: Lending protocol
CRV: Stablecoin exchange protocol
LDO: Leading staking service
Public chains:
BNB: Binance Chain, the exchange's favorite
AVAX: A stable public chain even in a bear market
ETC: The original Ethereum chain
SUI: New public chain representative
TON: The chain created by Telegram
TRX: Established public chain (founder's controversy)
HBAR: U.S. regulatory-friendly
OP: Leading Layer 2
Others:
LINK: Blockchain data oracle
XMR: Anonymous privacy coin
PEPE: The hottest meme coin on Ethereum
XLM: Competitor to XRP
HYPE: Decentralized contract platform
New coins tend to be more volatile than old mainstream coins, but the upside potential may also be greater. When selecting coins, be clear whether they are technology-driven, capital-driven, or purely speculative; don't just rush in based on stories.