Good morning Chris,
> Also, as described in my other email
> (https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-August/017218.html
> starting "
> Let's say the sybil attacker...") the superlinear V^2 term is essential
> to the resistance of the fidelity bond system to sybil attacks.
At the cost of *greatly* strengthening aggregation.
Suppose there is currently many makers, all with roughly-equal bonds.
Suppose I were to approach two of these makers, and offer to aggregate their
bonds.
The combined bond would, because of the V^2 term, have 4 times the weight of
the other makers.
Thus, approximately I can earn a little below 4 times what one other maker does.
I offer 1.5x what one maker does to both of those makers and keep a little
below 0.5x to myself.
So:
1. I earn without putting any of my money into bonds.
I just need starting capital to pre-pay for the rents.
2. I get to learn a little below 4x more CoinJoins than other makers.
This increases my earnings further since I can sell this privacy
information, and I also get an advantage compared to other non-aggregating
spies.
It seems to me not to fix the root issue, i.e. makers who make for the purpose
of gathering privacy information, even if it might fix sybil attackers.
Regards,
ZmnSCPxj
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