Mainstream:
BCH: Bitcoin's expanded version, larger blocks
LTC: Bitcoin's clone, 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: Decentralized lending leader
AAVE: Leading lending platform
UNI: Largest decentralized exchange
COMP: Lending protocol
CRV: Stablecoin exchange protocol
LDO: Leading staking service

Public Chain:
BNB: Binance Chain, the darling of exchanges
AVAX: A stable public chain even in bear markets
ETC: Ethereum original chain
SUI: New representative of public chains
TON: The chain created by Telegram
TRX: Established public chain (founder's controversies)
HBAR: US 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 are more volatile than old mainstream coins, but they may also have greater upward potential. When choosing coins, be clear whether they are tech-driven, capital-driven, or purely speculative; don’t just rush in based on stories.