So, what protects the holder of a bitcoin from someone hacking the system and stealing the bitcoins? The answer is a technology called blockchain. Essentially blockchains are ledgers that record a multitude of transactions and make them public thus providing complete transparency and security. Every 10 minutes, a block is recorded that details all the transactions that occurred in a particular application. Read more about blockchain and how it might affect you in the January issue of #TheRoughneckMag .