#bitcoin note of the day ...
Proof of work (PoW) makes the cost of writing a block extremely high and the cost of verifying its validity extremely low, almost eliminating the incentive for anyone to try to create invalid transactions. ...
Bitcoin can thus be understood as a technology that converts electricity to truthful records through the expenditure of processing power. Those who expend this electricity are rewarded with the bitcoin currency, and so they have a strong incentive to maintain its integrity ...
the defense of the Bitcoin network is not just that attacking it has become expensive, but that the attack succeeding renders the attacker's loot worthless. Being an entirely voluntary system, Bitcoin can only operate if it is honest, as users can very easily leave it otherwise.
- The Bitcoin Standard
G'daystr! 😁