AUSCRYPT '90 Proceedings of the international conference on cryptology on Advances in cryptology
Untraceable off-line cash in wallet with observers
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
Crowds: anonymity for Web transactions
ACM Transactions on Information and System Security (TISSEC)
Untraceable electronic mail, return addresses, and digital pseudonyms
Communications of the ACM
IPTPS '01 Revised Papers from the First International Workshop on Peer-to-Peer Systems
Payment Systems and Credential Mechanisms with Provable Security Against Abuse by Individuals
CRYPTO '88 Proceedings of the 8th Annual International Cryptology Conference on Advances in Cryptology
Unlinkable Serial Transactions
FC '97 Proceedings of the First International Conference on Financial Cryptography
Proceedings of the International Conference on Cryptography: Policy and Algorithms
How to win the clonewars: efficient periodic n-times anonymous authentication
Proceedings of the 13th ACM conference on Computer and communications security
Tor: the second-generation onion router
SSYM'04 Proceedings of the 13th conference on USENIX Security Symposium - Volume 13
EUROCRYPT'03 Proceedings of the 22nd international conference on Theory and applications of cryptographic techniques
Foundations of group signatures: the case of dynamic groups
CT-RSA'05 Proceedings of the 2005 international conference on Topics in Cryptology
EUROCRYPT'05 Proceedings of the 24th annual international conference on Theory and Applications of Cryptographic Techniques
Selectively traceable anonymity
PET'06 Proceedings of the 6th international conference on Privacy Enhancing Technologies
Deploying Low-Latency Anonymity: Design Challenges and Social Factors
IEEE Security and Privacy
Blacklistable anonymous credentials: blocking misbehaving users without ttps
Proceedings of the 14th ACM conference on Computer and communications security
Shining Light in Dark Places: Understanding the Tor Network
PETS '08 Proceedings of the 8th international symposium on Privacy Enhancing Technologies
How to Bypass Two Anonymity Revocation Schemes
PETS '08 Proceedings of the 8th international symposium on Privacy Enhancing Technologies
Reputation Systems for Anonymous Networks
PETS '08 Proceedings of the 8th international symposium on Privacy Enhancing Technologies
PEREA: towards practical TTP-free revocation in anonymous authentication
Proceedings of the 15th ACM conference on Computer and communications security
CPG: closed pseudonymous groups
Proceedings of the 7th ACM workshop on Privacy in the electronic society
Disappearing Cryptography: Information Hiding: Steganography & Watermarking
Disappearing Cryptography: Information Hiding: Steganography & Watermarking
Opportunistic sensing: security challenges for the new paradigm
COMSNETS'09 Proceedings of the First international conference on COMmunication Systems And NETworks
Jack: scalable accumulator-based nymble system
Proceedings of the 9th annual ACM workshop on Privacy in the electronic society
BLAC: Revoking Repeatedly Misbehaving Anonymous Users without Relying on TTPs
ACM Transactions on Information and System Security (TISSEC)
Making a nymbler nymble using VERBS
PETS'10 Proceedings of the 10th international conference on Privacy enhancing technologies
A pairing based cryptographic anonymous authentication scheme
Proceedings of the 5th International Conference on Ubiquitous Information Management and Communication
Anonygator: privacy and integrity preserving data aggregation
Proceedings of the ACM/IFIP/USENIX 11th International Conference on Middleware
PEREA: Practical TTP-free revocation of repeatedly misbehaving anonymous users
ACM Transactions on Information and System Security (TISSEC)
FAUST: efficient, TTP-free abuse prevention by anonymous whitelisting
Proceedings of the 10th annual ACM workshop on Privacy in the electronic society
BNymble: more anonymous blacklisting at almost no cost (a short paper)
FC'11 Proceedings of the 15th international conference on Financial Cryptography and Data Security
PERM: practical reputation-based blacklisting without TTPS
Proceedings of the 2012 ACM conference on Computer and communications security
Thinking inside the BLAC box: smarter protocols for faster anonymous blacklisting
Proceedings of the 12th ACM workshop on Workshop on privacy in the electronic society
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Anonymizing networks such as Tor allow users to access Internet services privately using a series of routers to hide the client's IP address from the server. Tor's success, however, has been limited by users employing this anonymity for abusive purposes, such as defacing Wikipedia. Website administrators rely on IP-address blocking for disabling access to misbehaving users, but this is not practical if the abuser routes through Tor. As a result, administrators block all Tor exit nodes, denying anonymous access to honest and dishonest users alike. To address this problem, we present a system in which (1) honest users remain anonymous and their requests unlinkable; (2) a server can complain about a particular anonymous user and gain the ability to blacklist the user for future connections; (3) this blacklisted user's accesses before the complaint remain anonymous; and (4) users are aware of their blacklist status before accessing a service. As a result of these properties, our system is agnostic to different servers' definitions of misbehavior.