29 Apr 23 4:36 am type: related:

proof of work

blockchain

consensus mechanism

still used by bitcoin

distributed ledger, where 100000s of users add to the ledger

the entire network checks

  • reliable
  • fiar
  • real time
  • efficient
  • transparent for consensus

proof of work is one way to reach consensus

in blockchain, everyone has their copy of the ledger

algorithm to eliminate fake users of the network

  • to fix double spending

references