>>PoS networks are secured by on-chain assets. This means you can't "mine" it without first buying tokens from someone who already owns them. You need permission from an existing player in order to start participating.
Only in the most pedantic sense of 'permission'. There will always be thousands of disparate parties, across numerous markets, with offers to sell their ETH. It will never be harder to procure ETH than to procure hash-generation hardware.
Only in the most pedantic sense of 'permission'. There will always be thousands of disparate parties, across numerous markets, with offers to sell their ETH. It will never be harder to procure ETH than to procure hash-generation hardware.