Scalability – Bitcoin’s popularity as a transaction medium has at times created congestion on networks, slowing the speed of transactions and boosting transaction fees. However, software fixes have been periodically instituted to address transaction bottlenecks and related issues.
Volatility - Volatility is inherent at this stage of this nascent technology. Experts have publically announced the death of bitcoin at least 263 times since December of 2010. 16 Such pronouncements have themselves caused volatility in bitcoin’s value, contributing to declines of as much as 20%.