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PGC: Pretty Good Confidential Transaction System with Accountability
cryptocurrencies confidential transaction accountability
2019/4/1
Due to the public visible nature of blockchain, the seminal cryptocurrencies such as Bitcoin and Ethereum do not provide sufficient level of privacy, i.e., the addresses of sender and receiver and the...
The US federal court system is exploring ways to improve the accountability of electronic surveillance, an opaque process often involving cases sealed from public view and tech companies subject to ga...
Public Accountability vs. Secret Laws: Can They Coexist?
accountability surveillance zero-knowledge
2018/7/10
Post 9/11, journalists, scholars and activists have pointed out that secret laws --- a body of law whose details and sometime mere existence is classified as top secret --- were on the rise in all thr...
A new paradigm in secure protocol design is to hold parties accountable for misbehaviour instead of postulating that they are trustworthy. Recent approaches in defining this property, called accountab...
Accountability of Perfect Concurrent Signature
fair exchange concurrent signature accountability
2009/6/5
Concurrent signature provided a novel idea for fair exchange protocol
without trusted third party. Perfect Concurrent Signature is proposed to strengthen the
ambiguity of the concurrent signature. W...