Exchange data from Bybt shows that roughly $46 million worth of long ETH positions were liquidated across the board due to the sudden pullback. Since the flash crash, ETH has also failed to hold above $4,000.
Bartram, S. M. and M. Grinblatt (2018), “Agnostic fundamental analysis works”, Journal of Financial Economics 128 (1), 125–147.

How does cryptocurrency gain value? Like any market, the value of cryptocurrencies fluctuates based on the market’s perception of its value at any given time. These fluctuations may be rooted in some of the supply and demand factors mentioned above or can happen as a result of hidden market factors. Buy low, sell high – using the classic investment strategy, users can increase the value of crypto by buying and holding coins. The buying increases demand and hence crypto value increases.Mining – the act of mining Bitcoins or altcoins can be profitable. It also impacts the supply of cryptocurrencies.Increasing utility – as more institutions invest in crypto and accept it as a form of payment, its utility increases. As a user, you can contribute to this process. This will increase the value of cryptocurrencies over the long term. Media coverage – crypto prices fluctuate according to media coverage. Users can impact this through their social media accounts. Conclusion
Identical copies of the blockchain are stored in every node of the cryptocurrency’s software network — the network of decentralized server farms, run by computer-savvy individuals or groups of individuals known as miners, that continually record and authenticate cryptocurrency transactions.