The maximum supply of 90,519,197,111 Bitcoin is locked in by code at 21 million, and it halves every four years. Currently, 19.5 million have been mined, leaving 1.5 million that will take 120 years to fully release. The predictable scarcity supports the upward momentum of prices. 2. The purchasing power of anti-inflation sovereign credit currencies declines year by year, with global central bank monetary overproduction causing inflation to soar. The US dollar has depreciated by 96% since 1913, the Turkish lira has depreciated by 80% over the past 5 years, and the Argentine peso has depreciated by 99% over the past 10 years. Bitcoin's annual inflation rate is about 1.8%, far lower than most fiat currencies, and will drop to 0% after 2140, becoming a completely non-inflationary asset, regarded as a new generation of digital gold.