Let's help you identify coins that won't go bankrupt. If you're still interested in altcoins, consider the following:
Legacy mainstream coins
BTC: Industry leader
ETH: Public chain leader
BCH: Scaled-up BTC
LTC: Bitcoin's imitator
ADA: The invincible academic blockchain
SOL: Wall Street capital public chain, second only to Ethereum in developer community
XRP: Payment platform
DOGE: Elon Musk's favorite
MKR: Lending leader, decentralized stablecoin leader
AAVE: Lending leader
BNB: Platform coin leader
LINK: Oracle
AVAX: A public chain that has weathered both bull and bear markets
ETC: The original Ethereum
Newer mainstream coins
Slightly higher risk than older mainstream coins
Relatively larger potential
SUI: New public chain leader
CRV: Stablecoin d EFI Protocol
LDO: Leader in the Staking Market
TON: New Public Chain
TRX: Established Public Chain, But Its Founder is a Thug
HYPE: Decentralized On-Chain Contract Platform
XMR: Anonymous Privacy Coin
PEPE: Leading Ethereum Meme Coin
UNI: Largest On-Chain DEX
HBAR: US-Regulated Coin
XLM: Ripple Copycat
ARB: Leading L2 Coin
MORPHO: DeFi Lending Protocol
PENDLE: Innovative DeFi Protocol
ONDO: Leading RWA Coin
RENDER: Leading AI Coin
TAO: Innovative AI Protocol
The aforementioned altcoins have all weathered the test of bull and bear markets and are unlikely to go bankrupt. If you're still interested in altcoins, consider these relatively mainstream altcoins, which offer lower risk.