From Discover on Google [1]https://www.coindesk.com/litecoin-just-halved-its-cry
pto-rewards-for-miners

   Jim Bell's comment:

   Why do these mining rewards change discontinuously, by a factor of 2 in
   this case, rather than by some continuous factor?

References

   1. https://www.coindesk.com/litecoin-just-halved-its-crypto-rewards-for-miners