You shouldn't be worried about bitcoin.

The world has changed a lot since bitcoin was created, and it will continue to change. As time passes, more and more people are becoming interested in cryptocurrency. However, this does not mean that you should worry about bitcoin. While some people see cryptocurrencies as a threat, others see them as an opportunity for growth.

Bitcoin is just one of many cryptocurrencies available today. There are hundreds of different types of cryptocurrencies out there, each with their own unique features and uses. If you have the chance to invest in any kind of cryptocurrency, then take it! It's better than missing out on a great opportunity!