For a $10 crypto portfolio, consider diversifying across 5-10 assets to minimize risk. Here's a simplified strategy:

Tier 1: Stablecoin (20% - $2)

1. $USDT (Tether) - 20% ($2)

Tier 2: Large-Cap Cryptocurrencies (40% - $4)

1. $Bitcoin (BTC) - 20% ($2)

2. $Ethereum (ETH) - 20% ($2)

Tier 3: Mid-Cap Cryptocurrencies (20% - $2)

1. $Litecoin (LTC) - 10% ($1)

2. $Cardano (ADA) - 10% ($1)

Tier 4: Small-Cap Cryptocurrencies (20% - $2)

1. $Chainl (LINK) - 10% ($1)

2. $POL (MATIC) - 10% ($1)

Considerations:

1. Risk tolerance

2. Market trends

3. Project fundamentals

4. Diversification across sectors

Exchange Options:

1. Binance

2. Coinbase

3. Kraken

Investment Strategy:

1. Buy fractions of coins

2. Use dollar-cost averaging

3. Monitor and rebalance quarterly

Disclaimer:

1. Cryptocurrency investments are high-risk.

2. This is not personalized investment advice.

3. Always research and consult with experts before investing.

Remember:

- Cryptocurrency markets are highly volatile.

- Diversification does not guarantee profits.

- Invest only what you can afford to lose.

Please keep in mind that this is a simplified example and not tailored to individual needs.