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by tromp 963 days ago
> At some point the block reward will become 0 and the only reward miners will collect will be from transaction fees. But I don’t understand why this is a catastrophic design flaw. The mining network expands and contracts with the natural incentives that are there. What’s the problem?

Apart from the occasional spike, transaction fees are orders of magnitude lower than the current mining subsidy and do not show any upward trend over the long run [1]. The problem is that this leaves Bitcoin rather insecure and in danger of 51% attacks.

[1] https://bitinfocharts.com/comparison/bitcoin-fee_to_reward.h...