In Linz, Austria, there are several cryptocurrency trading platforms that cater to both beginners and experienced traders. Some of the popular platforms include:

1. Bitpanda: Bitpanda is a leading cryptocurrency exchange platform based in Austria. It offers a user-friendly interface, low fees, and a wide range of cryptocurrencies for trading. Users can buy, sell, and trade cryptocurrencies such as Bitcoin, Ethereum, and Litecoin on Bitpanda.

2. Coinfinity: Coinfinity is another popular cryptocurrency trading platform in Linz, Austria. It offers a secure and reliable platform for buying and selling cryptocurrencies. Coinfinity also provides a Bitcoin ATM service, allowing users to easily purchase Bitcoin with cash.

3. Binance: While not based in Linz, Austria, Binance is a popular global cryptocurrency exchange that is widely used by traders in Austria. Binance offers a wide range of cryptocurrencies for trading, as well as advanced trading features such as margin trading and futures trading.

4. Kraken: Kraken is another popular cryptocurrency exchange platform that is available to traders in Linz, Austria. Kraken offers a secure platform for buying, selling, and trading cryptocurrencies, as well as advanced trading features and tools for experienced traders.

5. LocalBitcoins: LocalBitcoins is a peer-to-peer cryptocurrency trading platform that allows users to buy and sell Bitcoin directly with each other. Users can choose from a variety of payment methods and trade with others in Linz, Austria or around the world.

Overall, there are several cryptocurrency trading platforms available to users in Linz, Austria. It is important for traders to research and compare different platforms to find the one that best meets their needs in terms of security, fees, and available cryptocurrencies.