The safest way to store your Bitcoins are hardware wallets like Trezor. It requires to receive the physical hardware to store your wallet, but all Bitcoins are stored offline in an encrypted hardware wallet, which makes it very safe. Another quicker and most popular option are the online Bitcoin wallets like Bitpay and Coinbase. Using online wallet you can easily access your Bitcoins on multiple platforms - web, app, or both.
Bitcoin is traded for dollars, euros, yen, and other currencies in real time 24 hours a day. Depending on the demand for buying or selling bitcoin, the price can fluctuate from day to day. This is similar to the manner in which the value of a stock or property can go up or down based on supply and demand. Bitcoin’s value can be volatile compared to traditional currencies such as the US dollar because it is still an emerging technology. For current price of Bitcoin please check CoinMarketCap, as of this minute one Bitcoin value is $4,109.
The value of a bitcoin is not tied or pegged to the value of any other currency. Similar to stocks or property, bitcoin’s value is determined by buying and selling in the open market. A bitcoin’s price changes in real time based on the number of people who want to buy or sell it at a given moment.
Bitcoin’s core protocol is viewable by anyone, has been vetted by thousands of security researchers around the world, and has proven to be robust and reliable after immense scrutiny. Using bitcoin is similar to using other private applications on the internet, such as email or online banking. Just like these other web services, you must access your bitcoin with a password in order to ensure only you have access to your money.