It depends on what you want — quick gains or long-term growth. But with over $100, you can diversify a bit. I suggest:

Bitcoin (BTC) – the safest and most popular, good for holding long-term.

Ethereum (ETH) – strong potential with smart contracts and a big ecosystem.

Solana (SOL) or Polygon (MATIC) – faster and cheaper alternatives, good for DeFi and NFTs.

You could split it like this:

$40 BTC

$30 ETH

$20 SOL or MATIC

$10 in smaller coins or keep it to buy dips.

Do some research on each one before buying, and only invest what you can afford to lose. Crypto is risky but full of opportunity.