We have listned, so many times about a bitcoin halving, so actually what is it or what does mean by the meaning of the bitcoin halving.
So clarifying the knowledge about a bitcoin halving and how is it done than bitcoin halving occurs whenever the block reward or the number of BITCOIN entering circulation whenever a block is produced(approx 10 minutes), is reduced by half.
Well its occurs on schedule built into Bitcoin programming and happens every 210000 blocks. So the purpose being to issue the total supply into the market less frequently over time. So, these will effect on supply and increase the scarcity of Bitcoin.
Bitcoin first started, to give a reward of 50 per block to the miner.But eventually it was down to 25 bitcoin in 2012 when first halving had done. So in these way, whenever the new halving will be occur the per block reward will be reduced to half.
Well halving event will continue until the block reward reaches to zero. So the estimated year that bitcoin halving will successfully end to be around a year of 2140.