According to Chainalysis findings the number of bitcoins that have been lost forever could range anywhere from the lowball end of 278 million to the higher estimate of 379 million. However the blockchain includes every transaction ever made using the currency. Bitcoin The Evolution Of Money In 2021 Bitcoin Cryptocurrency Personal Finance This puts the current Available Supply at about 139 million coins well below the 183 million Total Supply figure publicized. How many bitcoins have you lost . Only 14 million remain of the more than 18 million BTC that have been mined. I can confirm today that when we do so we also expect that we similarly will accept Ethereum Litecoin and Bitcoin Cash. Bitcoin has a controlled supply meaning that the amount of coins that can be mined are finite. When all 21 million. Theres no exact answer. We can make some educated guesses based on how long a Bitcoin has sat in an addresses unmoved. These are no longer in circulation but are incl...