4 ms·
This is the idea behind hashcash[1], but instead of currency it's just a small proof of work. Some nominal PoW (a few seconds?) to bypass the spam filter smell
by Sleepytime 5y ago
This is the idea behind hashcash[1], but instead of currency it's just a small proof of work. Some nominal PoW (a few seconds?) to bypass the spam filter smells like it would be remarkably effective at cutting down spam.
[1] https://en.m.wikipedia.org/wiki/Hashcash https://en.m.wikipedia.org/wiki/Hashcash
- harwoodleon 5y agohttps://play.google.com/store/apps/details?id=com.fyncom.robocash https://play.google.com/store/apps/details?id=com.fyncom.rob... Nano currency (nano.org) makes this possible and has some working implementations.
- jaytaph2 5y agoThis is also what we do with bitmaelum[1]. Each message needs a proof of work for deliverance. Large (authentic) mailinglists can use an opt-in by a reader which allows the sender to bypass the pow restriction. [1] https://github.com/bitmaelum https://github.com/bitmaelum
- alisonkisk 5y agoHow is that better than any simple captcha?
- inter_netuser 5y agoI've had 5-6 different captcha bots, and they were routinely defeated. I've used this bot for microtransactions: https://twitter.com/lntxbot https://twitter.com/lntxbot
- Sleepytime 5y agoCaptcha requires manual intervention, and potentially has the problem of being easy for bots but difficult for humans. A captcha for each email on even a small mailing list would be pretty horrible.
- inter_netuser 5y agoI've used this bot: https://twitter.com/lntxbot https://twitter.com/lntxbot takes microscopic amounts via Bitcoin's Lightning Network. Amazingly effective.