Due numus POW ended at block 100k, move your rigs to LIZ or BHD.
Thank you for mining with us.
ccminer -a skein -o stratum+tcp://eu1.protopool.net:4923 -u LIZ_WALLET -p c=LIZ
or
ccminer -a c11 -o stratum+tcp://eu1.protopool.net:3573 -u BHD_WALLET -p c=BHD