The current circulating supply of Bitcoin is around 18.8 million BTC, accounting for nearly 90% of all tokens ever created. A 6.25 BTC block reward is issued every ten minutes at the current rate, resulting in 900 new BTC entering circulation each day. The issue rate will be 3.5 BTC per year in eight years (the year 2052), yielding only 0.0243 BTC for each block reward.