17 Dec
2003
17 Dec
'03
11:17 p.m.
Adam Back wrote:
I am looking at writing some hashcash (http://www.dcs.ex.ac.uk/~aba/hashcash/) based spam prevention software. The motivation for writing spam prevention software is that spam is better combatted with technical methods than legal or political
Would this work for GSM phones as well? I believe that GSM-spam is becoming a wide spread problem. In Finland the GSM phone numbers are published in online databases where spammers get the numbers and they use free Internet-to-GSM/SMS message services. Using hashcash on the smartcard in a GSM phone would be really neat! Mike.