Predicting a 90x profit within a very short timeframe, such as by June 20th, is extremely speculative and risky. However, based on recent trends and expert analyses, here are three cryptocurrencies that have shown potential for significant growth:

1. **Myro ($MYRo)**:

- **Performance**: Myro has already demonstrated a significant increase in value, showing over 1,400% growth in Q1 2024. It gained traction due to its strong community support and listing on major exchanges like Binance .

- **Potential**: If this trend continues, Myro could see further substantial gains, especially with increased attention from the Solana ecosystem and broader meme coin community.

2. **Mantra ($OM )**:

- **Performance**: Mantra saw a growth of over 1,000% in early 2024. It's a Layer 1 blockchain focused on the tokenization of real-world assets, which is gaining interest due to its regulatory compliance and interoperability with other networks .

- **Potential**: The continued expansion and new funding could drive further growth, making it a strong candidate for high returns.

3. **Delysium ($AGIX )**:

- **Performance**: Delysium experienced over 700% growth in Q1 2024. As an AI-themed project, it capitalizes on the increasing interest in decentralized AI solutions, which positions it well for future growth

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- **Potential**: With the growing trend in AI technologies, Delysium could continue to rise significantly.

These coins have shown remarkable gains in the past months and could potentially offer substantial returns, but they also carry high risk. Investing in these would require careful consideration and a high tolerance for volatility. Always conduct thorough research and consider the potential for loss alongside potential gains.