The short answer: The developers gets to decide. The longer answer can be found here[0] [0]:https://www.cryptocompare.com/coins/guides/what-is-the-ethereum-ic

The short answer: The developers gets to decide. The longer answer can be found here[0] [0]:https://www.cryptocompare.com/coins/guides/what-is-the-ethereum-ice-age/ https://www.cryptocompare.com/coins/guides/what-is-the-ether...