Earlier we discussed how the amount of bitcoin produced every 10 minutes cuts in half every four years. Investopedia makes no representations or warranties as to the accuracy or timeliness of the information contained herein. Because Bitcoin is on the internet, they are even easier to steal and much harder to return and trace. Cold Storage Definition With cold storage, the digital wallet is stored in a platform that is not connected to the internet. Buy Bitcoin Worldwide does not promote, facilitate or engage in futures, options contracts or any other form of derivatives trading.