Like any other software, the Bitcoin client is not perfect. This means that security vulnerabilities may be found, which can be a major risk for a client that is not up-to-date.
Even though online Bitcoin wallets are convenient as they can be accessed from anywhere in the world, there are several reasons not to store large amounts of Bitcoins in them.
Auroracoin, the Icelandic cryptocurrency, has entered stage two of its Airdrop last Friday. Auroracoin was the first national cryptocurrency, created to benefit the citizens of Iceland.
Strange as it may sound, paper wallets are a popular and effective way for safely storing digital currencies like Bitcoin and Dogecoin.
Once you have local or online wallet set up and filled with some coins it is time to think about their safety.