While credit card companies and the like are busy charging 2 - 3 % per transactions, Bitcoin costs retailers little, if any fee. (cryptojunky.com)
$ 10,000 Bitcoin Increased 1300 % In 2017 Data from Coinmarketcap covering multiple major exchanges confirms that on average, a single bitcoin costs around $ 10,031 and even more in some markets. (bitcoinist.com)
[1] While in the case of bitcoin the cost of investing in mining gear serves as an incentive not to attack the network, anyone seeking to attack Nxt would in the process necessarily reduce the value of their personal coin holdings. (en.wikipedia.org)