In Oman, the top ten virtual currency trading platforms are:

1. eToro: eToro is a popular social trading platform that allows users to trade a wide range of cryptocurrencies, including Bitcoin, Ethereum, and Ripple.

2. Binance: Binance is one of the largest cryptocurrency exchanges in the world, offering a wide range of trading pairs and advanced trading features.

3. BitOasis: BitOasis is a Dubai-based cryptocurrency exchange that allows users in Oman to buy and sell Bitcoin, Ethereum, and other cryptocurrencies.

4. Kraken: Kraken is a well-established cryptocurrency exchange that offers a wide range of trading pairs and advanced security features.

5. Coinmama: Coinmama is a popular platform for buying Bitcoin and other cryptocurrencies with a credit card or bank transfer.

6. LocalBitcoins: LocalBitcoins is a peer-to-peer cryptocurrency exchange that allows users to buy and sell Bitcoin with cash or other payment methods.

7. Bitstamp: Bitstamp is one of the oldest cryptocurrency exchanges in the world, offering a secure platform for trading Bitcoin and other digital assets.

8. Huobi: Huobi is a leading cryptocurrency exchange that offers a wide range of trading pairs and advanced trading tools.

9. OKEx: OKEx is a global cryptocurrency exchange that offers a wide range of trading pairs and advanced trading features.

10. Coinbase: Coinbase is a popular platform for buying and selling Bitcoin, Ethereum, and other cryptocurrencies with a credit card or bank transfer.

These platforms provide a range of options for traders in Oman to buy, sell, and trade cryptocurrencies securely and conveniently. It is important for users to research each platform carefully and choose the one that best meets their needs in terms of trading pairs, fees, security features, and user experience.