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Don't measures based on computational difficulty have the effect of erecting an impossibly high barrier for those with limited access to such resources? (The po

by Reelin 6y ago

Don't measures based on computational difficulty have the effect of erecting an impossibly high barrier for those with limited access to such resources? (The poor, anyone using a mobile device, etc). Any system with a reasonably low bar can probably be worked around by a spammer at a low enough cost per account that it's unlikely to be of much use. Some services (many subreddits, for example) use account age as a metric. That's easy to work around with mass registrations of zombie accounts though. Some services (again many subreddits) use overall network reputation as a metric. That makes life difficult for new users though in addition to all the privacy issues surrounding centralized reputation and identity. Some services use a phone number as a unique identifier that's more difficult to come by than an email or IP address. That still poses an accessibility issue and also introduces a privacy one. Sorry, I don't actually have a solution here. Just a bunch of problems.

xoa 6y ago
>* Don't measures based on computational difficulty have the effect of erecting an impossibly high barrier for those with limited access to such resources?* I don't think this is true so much with the flattening of computational growth. These days a 10-15% general gain year over year is quite good, and we've seen gens with less. Order of magnitude is close enough in this case, there isn't that much practical difference between a week vs two weeks. >(The poor, anyone using a mobile device, etc). Case in point, for much of the population their mobile devices may well be their most powerful ones. A 7 year old PC can still be extremely capable, etc. Also again, this is just another tool idea. A community can use it to whatever degree they deem appropriate, and that can vary dynamically. So in regular times a low volume community might set a very low level, just a few minutes worth say. But if there was a sudden influx, they could temporarily ramp it up for new joiners.

by Reelin 6y ago

xoa 6y ago

>* Don't measures based on computational difficulty have the effect of erecting an impossibly high barrier for those with limited access to such resources?* I don't think this is true so much with the flattening of computational growth. These days a 10-15% general gain year over year is quite good, and we've seen gens with less. Order of magnitude is close enough in this case, there isn't that much practical difference between a week vs two weeks. >(The poor, anyone using a mobile device, etc). Case in point, for much of the population their mobile devices may well be their most powerful ones. A 7 year old PC can still be extremely capable, etc. Also again, this is just another tool idea. A community can use it to whatever degree they deem appropriate, and that can vary dynamically. So in regular times a low volume community might set a very low level, just a few minutes worth say. But if there was a sudden influx, they could temporarily ramp it up for new joiners.