The whitepaper didn’t expect/predict most hashing power being controlled by very few actors.
Edit: I’d say the whitepaper did expect this and basically said it could be a problem:
From the abstract:
> As long as a majority of CPU power is controlled by nodes that are not cooperating to attack the network, they'll generate the longest chain and outpace attacker.
Edit: I’d say the whitepaper did expect this and basically said it could be a problem:
From the abstract:
> As long as a majority of CPU power is controlled by nodes that are not cooperating to attack the network, they'll generate the longest chain and outpace attacker.