update pow for scrypt
update pow for scrypt

ShadowMyst/creativechain-core,ShadowMyst/creativechain-core,ShadowMyst/creativechain-core,EntropyFactory/creativechain-core,ShadowMyst/creativechain-core,EntropyFactory/creativechain-core,EntropyFactory/creativechain-core,EntropyFactory/creativechain-core,EntropyFactory/creativechain-core,ShadowMyst/creativechain-core,ShadowMyst/creativechain-core,EntropyFactory/creativechain-core