Earlier quoted context omitted.
It incentivizes hoarding over spending, especially in the face of an expanding economy. Though to be fair, the rate at which new cryptocurrency pools are being created seems to more than keep up with the growth of the economy. Who needs the government to print money when anybody can?
> it incentivizes hoarding over spending, especially in the face of an expanding economy. That kind of macroeconomic analysis assumes that everybody already owns some amount of the currency. However in the new currency markets that are developing, you have to consider the incentive to even start accepting a currency. One that loses value over time is not attractive to the recipient.
How about stability and liquidity instead? The more readily exchangeable a unit of currency is for goods, the easier it will see adoption. Deflationary currencies, due to their incentivization of hoarding, tend to be both unstable and illiquid, driving away anyone but speculators.