In 2016, this became apparent with the DAO hack. One way to fix the problem was to implement what’s known as a “hard fork,” which would essentially update the Ethereum-based software to fix the technical gaffe that caused the hack to begin with. But DAO users had to agree to this change, and there were dissenters. Though the hard fork was approved, it created two active blockchains with two different sets of rules. Ultimately, this hack–coupled with the inability to deal with it–caused the DAO to end in 2016.
It came after the electric car company bought $1.5b (£1.06b) of Bitcoin shares, which in turn sent the market price of both the crypto and Tesla soaring.

Without a clear track record to assess long-term value, cryptocurrency rises and falls on an unpredictable demand cycle. And for individual investors, the challenge is “you really don’t know where supply and demand can end up,” Aliaga-Díaz says.
Indeed, Amazon has recently sparked rumors that it’s making moves to that end by sharing a job posting for a “digital currency and blockchain product lead.” Walmart is also recruiting a crypto expert to oversee its blockchain strategy.