Good call. Internet was plain and unencrypted when the takeover happened. #Bitcoin is born with encryption that keeps it away of the praying reach and guarded by the nodes. Yes everyone that cares must run at least 2 nodes - one for tinkering and another for doing the job itself. Think of a miner as one of the competing accountants for the next report compilation ( block) scrutinized for compliance by thousands of nodes and other miners. If they're caught in intentional or accidental error or outpaced from competitors, they loose their efforts for nothing... View quoted note →