Fiat-Shamir with Aborts: From Identification Schemes to Linkable Ring Signatures

2020 ◽  
pp. 167-187
Author(s):  
Dipayan Das
Keyword(s):  
Identification Schemes ◽  
Ring Signatures

Traceable ring signatures: general framework and post-quantum security

2021 ◽  
Author(s):  
Hanwen Feng ◽  
Jianwei Liu ◽  
Dawei Li ◽  
Ya-Nan Li ◽  
Qianhong Wu
Keyword(s):  
General Framework ◽  
Ring Signatures

scholarly journals Choosing between identification schemes in noisy-news models

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Joshua C. C. Chan ◽  
Eric Eisenstat ◽  
Gary Koop
Keyword(s):  
Bayesian Methods ◽  
Moving Average ◽  
Autoregressive Moving Average ◽  
Structural Shocks ◽  
Vector Autoregressive ◽  
Identification Scheme ◽  
Identification Schemes ◽  
The One ◽  
Small Models ◽  
Structural Vector

AbstractThis paper is about identifying structural shocks in noisy-news models using structural vector autoregressive moving average (SVARMA) models. We develop a new identification scheme and efficient Bayesian methods for estimating the resulting SVARMA. We discuss how our identification scheme differs from the one which is used in existing theoretical and empirical models. Our main contributions lie in the development of methods for choosing between identification schemes. We estimate specifications with up to 20 variables using US macroeconomic data. We find that our identification scheme is preferred by the data, particularly as the size of the system is increased and that noise shocks generally play a negligible role. However, small models may overstate the importance of noise shocks.

Threshold Discernible Ring Signatures

2012 ◽  
pp. 259-273 ◽  
Author(s):  
Swarun Kumar ◽  
Shivank Agrawal ◽  
Ramarathnam Venkatesan ◽  
Satyanarayana V. Lokam ◽  
C. Pandu Rangan
Keyword(s):  
Ring Signatures
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