There are several popular cryptocurrency exchanges in Cork, Ireland that cater to both experienced traders and beginners looking to buy or sell digital assets. Some of the most well-known exchanges include:

1. Coinbase: Coinbase is one of the largest and most trusted cryptocurrency exchanges in the world. It offers a user-friendly platform for buying, selling, and trading a variety of cryptocurrencies, including Bitcoin, Ethereum, and Litecoin.

2. Bitstamp: Bitstamp is another popular cryptocurrency exchange that has been around since 2011. It offers a secure platform for trading Bitcoin, Ethereum, and other digital assets, as well as advanced trading features for experienced traders.

3. Kraken: Kraken is a well-established cryptocurrency exchange that offers a wide range of trading pairs and advanced trading tools. It is known for its strong security measures and high liquidity, making it a popular choice for both beginners and experienced traders.

4. Binance: Binance is one of the largest cryptocurrency exchanges in the world, offering a wide range of trading pairs and advanced trading features. It is a popular choice for traders looking to access a diverse selection of cryptocurrencies and take advantage of competitive trading fees.

5. LocalBitcoins: LocalBitcoins is a peer-to-peer cryptocurrency exchange that allows users to buy and sell Bitcoin directly with each other. It is a popular choice for those looking to trade Bitcoin in a more decentralized manner and for users who prefer to buy and sell cryptocurrencies in person.

Overall, these are some of the most popular cryptocurrency exchanges in Cork, Ireland that cater to a wide range of traders and investors. Each exchange has its own unique features and benefits, so it's important to research and compare them to find the best option for your trading needs.