*Microsoft '''begins accepting''' Bitcoin as a direct means of payment.
*119,756 BTC are stolen from [[Bitfinex]] in a hack.
*The United States Marshals Service '''[[USMS December 2014 auction|auctions]]''' 50,000 bitcoins seized from [[Dread Pirate Roberts]] by the FBI.
*The mining subsidy halves to 12.5 BTC.
*The network mining [[difficulty]] '''decreases''' for the first time since the original utilization of [[Mining#ASIC Mining|ASICs]] for mining.
''Ongoing:'' [[Block size limit controversy]]
*The concept of bitcoin [[tipping]] '''[[Wave of bits|goes viral]]''' on Reddit and Twitter, resulting in exponential growth of the [[ChangeTip]] userbase.
*The alleged operator of Silk Road 2.0 is '''arrested''' by FBI agents. A Silk Road 3.0 is operational within hours.
*A massive uninsured Bitcoin mine is '''destroyed in a fire''' (pictured), causing a visible drop in the global hash rate.
