There are several cryptocurrency trading platforms in Houston, USA that cater to crypto enthusiasts and investors. Some of the popular platforms include:

1. Coinbase: Coinbase is one of the largest and most well-known cryptocurrency exchanges in the world. It allows users to buy, sell, and store a variety of cryptocurrencies including Bitcoin, Ethereum, and Litecoin. Coinbase is known for its user-friendly interface and strong security measures.

2. Kraken: Kraken is another popular cryptocurrency exchange that offers a wide range of trading pairs and advanced trading features. It is known for its high liquidity and low fees, making it a preferred choice for many traders in Houston.

3. Gemini: Gemini is a regulated cryptocurrency exchange founded by the Winklevoss twins. It offers a secure trading platform and allows users to trade a variety of cryptocurrencies. Gemini is known for its strong compliance with regulatory requirements and high level of security.

4. Binance: Binance is one of the largest cryptocurrency exchanges in the world by trading volume. It offers a wide range of cryptocurrencies for trading and has a reputation for its low fees and high liquidity. Binance also offers advanced trading features for experienced traders.

5. Bitstamp: Bitstamp is one of the oldest cryptocurrency exchanges in the industry, having been founded in 2011. It offers a secure and reliable trading platform for buying and selling cryptocurrencies. Bitstamp is known for its strong focus on security and regulatory compliance.

These are just a few of the cryptocurrency trading platforms available in Houston, USA. It is important to research and compare different exchanges to find the one that best suits your trading needs and preferences. Additionally, always remember to practice safe trading practices and keep your funds secure.