[Holder of 4,165 BTC Long-Term Exposure: Mining Daily Since 2016, Never Sold a Single Coin] According to DocumentingBTC, an anonymous address has been mining daily since November 2016, accumulating a total reward of 4,165 BTC (approximately $375 million), all stored in the same wallet. Over the past eight years, not a single coin has been transferred out or sold. From the chart, it is evident that the balance of this address has steadily increased and remains completely untouched, making it a prime example of an extreme 'diamond hands' Bitcoin long-term holder.