What is the fine-grained topic of the following text: In order to buy SingularDTV or SNGLS you first need to convert your currency of choice into one of the main crypto currencies like Bitcoin, Ethereum, or Litecoin, and send it to an exchange where you can easily trade your BTC, ETH, or LTC for SNGLS. Only return the topic.
Buying SingularDTV or SNGLS cryptocurrency