According to reports, Bitcoin Core developer Jimmy Song tweeted that 90% of the Bitcoin supply took 12.9 years to release. The following 9% of the Bitcoin supply will also take roughly the same time, that is, 12.9 years. . The subsequent 0.9% of the Bitcoin supply will also take the same amount of time. In other words, the 18.9 million BTC supply release time is 12.9 years, the 20.79 million BTC supply release time is approximately 25.8 years, and the 20.979 million BTC supply release time is approximately 38.7 years.