http://investr4zcyv3issfcryd7mqiflbedhtbt6h4mnbd6b2qshg7sevffad.onion/bitcoin-charts/index15.html
Whereas one currency accounts for 70% to 90% of value depending on the metric, thousands of competing cryptocurrencies account for 10% to 30%. That is the market distinguishing between bitcoin and the field. Competition is inherently good for bitcoin. Not only does each attempt to create a better bitcoin fail, the repeated failures actually inform market participants that there is something which distinguishes bitcoin from the rest of the field.