Technologies for democratic society
CS-234
Instructor's notes - before lecture
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The false identity or Sybil attack problem
Undesirable consequences
Sock puppetry in discussions
Ballot stuffing
Breaking algorithms, e.g., consensus
Injecting deliberate bias, e.g., political
Spreading FUD
Countermeasures:
IP addresses
CAPTCHAs
E-mail or phone number verification
ID verification, PKI, KYC
Social/trust networks
Biometric identity
Proof-of-Work
Other investment
Personhood parties or PoP
Post-lecture blackboard snapshot 2019:
