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Very happy to present the results here at 17th IMA International Conference on Cryptography and Coding (IMACC'19), University of Oxford. Nice people and nice discussions :) Slides of the talk are available on http://kodu.ut.ee/~baghery/files/slides_IMACC2019_Karim_Baghery …
@UniTartuCS@unitartu#IMACC2019@OxUniMaths https://twitter.com/Karim7415953/status/1181159072462200832 …pic.twitter.com/BtsljiwAtA
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Karim Baghery proslijedio/la je Tweet
Stop right there! We know that sometimes you don't want to peel the potato to eat the chips! No worries! Here's @PRIViLEDGE_EU all peeled and ready for consumption for you! A video about PRIViLEDGE's#cryptographic solutions for#privacy in#DL!
https://bit.ly/32E7VrN pic.twitter.com/cEuzSUi7IWHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Are you interested on zk-SNARKs and their privacy-preserving applications including cryptocurrencies, smart contracts and private PoS (Zcash, Hawk, Ouroboros Crypsinous), join us this week at Universitat Pompeu Fabra.
@UPFBarcelona,@DTIC_UPF,@UniTartuCS,@unitartu,@PRIViLEDGE_EUpic.twitter.com/5bQgGJiUWO
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Shahla Atapoor explains how efficiently one can achieve simulation extractability (that guarantees non-malleability of proofs) in Groth's zk-SNARK More details in https://eprint.iacr.org/2019/641
@UniTartuCS,@PRIViLEDGE_EU,@unitartu ,#zkSNARKs ,#JointEstonianLatvianTheoryDays2019pic.twitter.com/X8DYgsTynj
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In this research, we explained how to construct a zk-SNARK that guarantees the non-malleability of proofs and the prover does not need to trust CRS generators to achieve ZK.
@UniTartuCS,@unitartu,#IMACC2019https://twitter.com/IACR_News/status/1181126043995906048 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Karim Baghery proslijedio/la je Tweet
Okay, so you know that zk-SNARKs provide privacy-preserving payments & interconnections in smart contracts. Do you also know how efficiency of such systems can be improved? No? Great news!
@PRIViLEDGE_EU has just the right article for you
https://bit.ly/2oEqpto #zkSNARKpic.twitter.com/t7P1wa0I4V
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Karim Baghery proslijedio/la je Tweet
#ePrint Breaking Anonymity of Some Recent Lightweight RFID Authentication Protocols: K Baghery, B Abdolmaleki, S Khazaei, MR Aref https://ia.cr/2019/1125Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
In this research, we study security of commitment schemes in face of a maliciously chosen commitment key and present both negative and positive results about constructing subversion-resistant commitment schemes.
@UniTartuCS ,@unitartuhttps://twitter.com/IACR_News/status/1175380676360777728 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
In this presentation, we discussed how much one can mitigate the trust in the setup phase of zk-SNARKs and construct more efficient UC-secure zk-SNARKs.
@UniTartuCS,@PRIViLEDGE_EU,@unitartuhttps://twitter.com/CosicBe/status/1172401144187875331 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Karim Baghery proslijedio/la je Tweet
COSIC seminar – Overview on Zcash and an Efficient zk-SNARK with Non-malleable Proofs – Shahla Atapoor (University of Tartu)https://www.youtube.com/watch?v=sCbAm-HyrG4 …
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Given efficient non-black-box simulation extractable zk-SNARKs (i.e. ones in http://ia.cr/2019/612 ) one can construct UC-secure zk-SNARKs by adding lin-long commitment and a SNARK proof for c=enc(w; r)∧(x, w)∈R. Read more on http://ia.cr/2019/480 .
@UniTartuCS@PRIViLEDGE_EUpic.twitter.com/vw0domWipf
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Karim Baghery proslijedio/la je Tweet
We have risen to the 301st place in the QS World University Rankings published today: https://www.topuniversities.com/university-rankings/world-university-rankings/2020 ….
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We had nice discussions on our DL-extractable UC-secure commitment scheme here in ACNS 2019 in Bogotá. You may read more about the scheme in http://ia.cr/2019/201 .
@PRIViLEDGE_EU ,@UniTartuCSpic.twitter.com/oq5exf1oov
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Making Groth's SNARK simulation extractable by some changes in original language using an OR construction. In practice overload has minimal effects on the efficiency. Proofs will be less than 200B yet (for 128-bit sec). New verification requires only an extra pairing (4 parings).https://twitter.com/IACR_News/status/1135472723818418176 …
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A variation of Groth and Maller's zk-SNARK allows us to achieve UC-security and better efficiency than the ones that currently are used in privacy-preserving smart contract systems such as
#Hawk and#Gyges. More details on http://ia.cr/2019/480@UniTartuCS ,@PRIViLEDGE_EUhttps://twitter.com/IACRePrint/status/1128065466851823616 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
In this paper we explain how one can use our new DL-Extractable UC-Secure commitment scheme in http://ia.cr/2019/201 and construct a UC-secure CRS generation protocol for zk-SNARKs.
@UniTartuCS ,@PRIViLEDGE_EUhttps://twitter.com/IACRePrint/status/1126842373680574469 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
PENCIL, a workshop on Privacy-ENhancing Cryptography In Ledgers, aims at discussing questions of confidentiality, privacy, scalability, and integrity in the context of distributed ledger technologies and cryptocurrencies. You may read more on https://priviledge-project.eu/pencil pic.twitter.com/or6xUrVKTh
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Karim Baghery proslijedio/la je Tweet
We are ranked 251-300 worldwide for Computer Science by the 2019 Times Higher Education World University Rankings: https://www.timeshighereducation.com/world-university-rankings/by-subject …
#THEunirankingspic.twitter.com/JsCx6NZwdX
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A unique experience with series of talks at Sharif University of Technology and ITRC with focus on zk-SNARKs and Bitcoin lightning networks.
#Bitcoin
#Zcash#SNARKs https://eprint.iacr.org/2017/599 https://z.cash/ https://lightning.network/ https://eprint.iacr.org/2013/279 pic.twitter.com/fHRoNIhVvT
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Karim Baghery proslijedio/la je Tweet
The
@PRIViLEDGE_EU project is now on Twitter! Check out our webpage and get a glimpse of what the project is all about.#blockchain#Security https://priviledge-project.eu/news/eu-research-boosts-privacy-and-anonymity-via-cryptographic-protocols-in-distributed-ledgers …pic.twitter.com/0nSgqULkZI
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