Problem
Explain the difference between optimistic and pessimistic locking, and when you would use each in a financial ledger system.
Practicing as: Software Engineer interview at BlockFiHi, I'll play your BlockFi interviewer for the Software Engineer role. Candidates describe these interviews as often stressful and moderately difficult, so expect me to be direct and to the point. Take your time with the question above and answer like we're in the room.
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