Proof Of Work

%3 cluster_fd90f926_db74_4369_ac76_e2144ffebfe9 Proof Of Work _04656c13_b5d4_4e67_8b8d_e16f644f6c44 Anubis _04656c13_b5d4_4e67_8b8d_e16f644f6c44->__0:cluster_fd90f926_db74_4369_ac76_e2144ffebfe9 _e76b0b5d_f0c9_4d5a_b450_5aa9aaffaa0d Blockchain _603bcc70_c827_439d_8f4d_7b3666512bcd Pricing via Processing or Combating Junk Mail _603bcc70_c827_439d_8f4d_7b3666512bcd->_e76b0b5d_f0c9_4d5a_b450_5aa9aaffaa0d _603bcc70_c827_439d_8f4d_7b3666512bcd->__1:cluster_fd90f926_db74_4369_ac76_e2144ffebfe9 __1:cluster_fd90f926_db74_4369_ac76_e2144ffebfe9->_603bcc70_c827_439d_8f4d_7b3666512bcd __2:cluster_fd90f926_db74_4369_ac76_e2144ffebfe9->_e76b0b5d_f0c9_4d5a_b450_5aa9aaffaa0d

Mechanism introduced in the Pricing via Processing or Combating Junk Mail paper to make spamming scale-inefficient. Later used on Blockchain projects like [ Bitcoin ] .