The聽term聽"Bitcoin聽halving"聽refers聽to聽a聽phenomenon聽that聽happens聽on聽the聽Bitcoin聽network聽roughly聽every聽four聽years.

馃拵The聽reward聽for聽mining聽new聽Bitcoin聽blocks聽is聽cut聽in聽half聽during聽a聽halving.This聽decrease聽in聽block聽rewards聽is聽built聽into聽the聽Bitcoin聽protocol聽as聽a聽method聽to聽regulate聽the聽creation聽of聽new聽bitcoins聽and聽guarantee聽a聽finite聽supply.

馃拵馃憠The聽block聽reward聽was聽reduced聽from聽50聽to聽25聽bitcoins聽in聽the聽first聽Bitcoin聽halving聽in聽2012.

馃憠The聽reward聽was聽further聽decreased聽to聽12.5聽bitcoins聽per聽block聽after聽the聽second聽halving聽in聽2016.

馃憠On聽May聽11,聽2020,聽the聽reward聽was聽reduced聽to聽6.25聽bitcoins聽per聽block聽in聽the聽most聽recent聽halving.

馃ЖBy聽halving聽the聽supply聽every聽two聽years,聽Bitcoin聽aims聽to聽gradually聽increase聽scarcity. By聽cutting the rate at which new bitcoins are created, it aims to counter inflation and increase the value of existing bitcoins. The halving events are also significant because they mark key milestones in Bitcoin's history and serve as a reminder of its decentralized and predictable monetary policy.

馃憫 It's important to note that the information provided here is accurate up until September 2021, and the most recent halving mentioned was in May 2020. For the most up-to-date information on Bitcoin halvings, it is recommended to refer to reliable sources or check the latest news and developments in the place