In October, there are three altcoins that are considered good bargain hunting options and are poised for massive growth in the bull market, potentially reaching 50 to 100x gains:

1. **EOS**:

- EOS is a high-performance third-generation layer 1 blockchain network that has carved a niche in the market for its fast and efficient transaction capabilities.

- Its architectural flexibility allows developers to freely build applications, while the secure Delegated Proof of Stake (DPoS) mechanism gives token holders the opportunity to participate in transaction verification on the network, ensuring the fairness of the network.

- The WebAssembly engine used by EOS virtually eliminates transaction fees, which enhances its features of high performance, flexibility, and security.

2. **BONK**：

- Bonk is the first dog-themed cryptocurrency on the Solana blockchain, thus attracting a lot of attention in the market.

- Bonk has experienced strong gains since launch, with significant gains in the first quarter. Currently, Bonk is trading at around $0.00002078.

- The market is optimistic that Bonk will maintain strong growth momentum. Its price trend shows the resilience of its market. The steady growth has triggered speculation among investors that it may reach $0.01 in the future. Currently, it is trading 3.7% higher than the previous day.

3. **CELO**：

- Celo is transitioning to a second layer (L2) solution for Ethereum (ETH), which is boosting stablecoin activity on the platform.

- According to Artemis data, Celo has surpassed Tron (TRX) in daily active addresses related to stablecoin usage, and has also surpassed Solana (SOL), The Open Network (TON), and BNB Chain in this category and other networks, showing its growing influence.

- Celo has performed well in recent trading, recording a 16.1% gain over the week, indicating increased buying activity and positive market sentiment.

For investors, these altcoins offer potentially high reward opportunities, but they also come with high risk. When considering investing in these currencies, investors should conduct sufficient research, understand the fundamentals, market trends and potential risks of each project, and do a good job in risk management. Cryptocurrency markets are known for high volatility, so investors need to exercise caution and not make investment decisions based solely on price increases.