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The original was posted on /r/monero by /u/vapor-ware on 2024-04-15 16:58:32.

What are the Monero community's suggestions for mitigating the negative effects of network spamming attacks that we've seen recently?

I'll start with one:

Adjusting the algorithm for choosing decoy inputs such that probability of selecting a decoy is inversely proportionate to the extra (above normal) amount of transactions. Thus, making it less likely that Black Marbles are chosen as decoy inputs.

Obviously, how this is determined to be 'above normal' number of transactions will have to be fine tuned, and it won't mitigate against, what I think has probably already been an ongoing issue (since it's so obvious), an attack which doesn't see a sudden huge flood of transactions, but a steady build up of volume so that it looks indistinguishable from organic growth.

*An alternative of this suggestion, would be to have dynamic ring size (with a minimum of 16, but dynamically increases if one or more of the included decoys is from a period when there are a higher number of transactions that usual so that an attacker gains nothing, in terms of de-anonymisation, by having a greater percentage of Black Marbles in the total pool of transactions, but I think that it would be better to implement the first method that I proposed (or some variant of it).

Anyway, what other suggestions do we have?