Pricing via Processing or Combatting Junk Mail.¶
Dwork, C., & Naor, M. (1993). Pricing via Processing or Combatting Junk Mail. Advances in Cryptology — CRYPTO '92.
Cited by¶
2 citations across 2 artifacts.
Each citation links to the sentence it supports in the citing article.
Primes¶
- Asymmetric Attack Defense Cost
- The durable interventions act on the ratio or the channel, exactly the prime's five moves. Lower defense cost via amortization: a single classifier trained once and applied to all messages changes the effective per-message ratio by the amortization factor. Lift attacker cost: sender-reputation systems and authentication (SPF, DKIM) raise the cost of sending from a trusted identity, and proof-of-work postage schemes impose a per-message computational tax that is trivial for a normal sender and prohibitive at spam volume.
This sourceIntroduces proof-of-work as a computational postage tax that is trivial for normal senders but prohibitive at bulk-email volume.
- The durable interventions act on the ratio or the channel, exactly the prime's five moves. Lower defense cost via amortization: a single classifier trained once and applied to all messages changes the effective per-message ratio by the amortization factor. Lift attacker cost: sender-reputation systems and authentication (SPF, DKIM) raise the cost of sending from a trusted identity, and proof-of-work postage schemes impose a per-message computational tax that is trivial for a normal sender and prohibitive at spam volume.
Domain-specific¶
Verification¶
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