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Status of Pay & Hash Cash
There is a community that wants the Pay approach
A few vendors are starting implementations of Pay
If we have better ideas, we should work on them soon
Document has had significant security review
Hash Cash may be a viable way to mitigate the “ring a million phones” problem
Hash Cash is a way to reduce the amount of SPIM/SPIT
The zombie argument is the most significant issue in deciding if this is worth doing
Document has not had careful security review
PPT Version