This would be difficult because the hash rate doesn't change dynamically every block, so you'd need to make up all the hash power of the DDOS'ed miners. But yo

This would be difficult because the hash rate doesn't change dynamically every block, so you'd need to make up all the hash power of the DDOS'ed miners. But you could just do the DDOS, then blocks would stop being confirmed and the value would plummet.