Get a Wallet! Just like any information you give up online, there is always the risk that it can be hacked or stolen from the website you give it to. Bitcoin Blockchain is decentralized and the interactions are managed on the peer-to-peer level or individual basis in regards to mining. The wallet is generated through the Bitaddress or the Bitcoinaddress. Use BitcoinAverage or CoinDesk to see the average price of Bitcoin across all major international Bitcoin exchanges and compare that to the price on your chosen exchange.