Some cryptocurrencies, like Bitcoin, have a finite number of coins that help to generate demand and reinforce their perceived worth. For example, the maximum supply of Bitcoin is capped at 21 million, as determined by the Bitcoin's creator(s).
Metals fund manager laments ‘zero interest in our strategy’ while bitcoin hits new record

There are more than 2,000 cryptocurrencies available to trade, as of November 2018. As more and more cryptocurrencies enter the market, underpinned by faster and more efficient networks, the status of existing coins may be threatened. For example, the network transaction value of TRON (TRX), as of October 2018, exceeded that of larger market-cap cryptocurrencies such as Bitcoin and Ether. Also, some sources list more than 900 cryptocurrencies classed as ‘deceased’ thus far, indicating the stiff competition faced by each coin.* Bitcoin is a weird, wonderful and volatile market to trade. Here’s what to know about this remarkable asset. Discover the differences and similarities between Bitcoin and gold, and how you can trade the two instruments. This trading guide is designed to help day traders navigate the cryptocurrency market with control and confidence and is built on decades of experience.
Although you can create another private key and start accumulating cryptocurrency again, you can’t recover the holdings protected by your old, lost key.