PANews reported on January 7th that, according to DocumentingBTC, an anonymous address has been continuously mining daily since November 2016, accumulating a total of 4,165 BTC (approximately $375 million) in rewards, all of which have been deposited into a single wallet and have not been transferred out or sold in the past eight years. As can be seen from the chart, the address's balance has steadily increased and is currently completely untouched, making it a true example of an extreme "diamond hand" level Bitcoin long-term enthusiast.