this post was submitted on 09 Aug 2023
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Monero
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Having 55% of hash doesn't mean you'll make profit by attempting a doublespend. I don't see how you could gain more from one and dumping the assets price + your reputation as a pool than by just behaving and passively collecting your fees forever. Nobody event talks about how 1 or 2 pools control 70% of zcash hash (although that's probably because nobody uses it) and even BTC has 2-3 companies (not even proper pools) controlling the majority of the hashrate.
It sounds scary but there really isn't that much a non-malicious, profit-driven pool could even do. Even a malicious pool could at worst mine empty blocks for a while.
It's definitely not ideal though, P2Pool is right there.
Very true. I am sad that p2pool only has so little hash :(
Shorting Monero and then attacking would most probably be the most profitable.
I doubt anyone could be that certain his attack will work. Especially mining on a public pool, it is likely destined to fail.
But a pool could be turned into a malicious pool by an adversary that takes control of it. A clear disadvantages of centralization is that it creates a single point of failure.
Why is this the case? I still have not studied the Monero protocol yet.