2 ms·
> There's no asymmetry at all: you're just adding a fixed cost to each reward, for both users and abusers. There is: users solve the PoW once, scrappers solve
by progval 2mo ago
> There's no asymmetry at all: you're just adding a fixed cost to each reward, for both users and abusers.
There is: users solve the PoW once, scrappers solve it every time they rotate IP addresses. Some of them change their IP address on every request, so they keep solving the PoW over and over.
- sunoforbrazilia 2mo ago[flagged]
- tptacek 2mo agoThat doesn't matter! Every time they successfully solve the challenge, they're getting the token reward. That's the missing asymmetry. In an anti-spam system, 99.999% of all transactions are unrewarded.