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"VRBC: A Verifiable Redactable Blockchain with Efficient Query and Inte" by Guohua Tian, Jianghong Wei et al.

Driven by various legal obligations and service requirements, the redactable blockchain was introduced to balance the modifiability and immutability of blockchain technology. However, such a blockchain inevitably generates one or even more acceptable versions for the same block data, enabling malicious full nodes to deceive light/new nodes with old data, and even disrupt the consistency of the blockchain ledger. In this paper, we introduce the concept of verifiable redactable blockchain (VRBC) to provide efficient validity verification for on-chain data. To this end, we design a novel authentication data structure, called blockchain authentication tree (BAT), which employs a chameleon hash function and aggregatable vector commitment to bind continuously-appended blocks. Based on this, we propose an efficient VRBC scheme supporting integrity auditing, which not only allows the light nodes to query and validate on-chain data, but also enables new nodes to check the integrity of the block ....

Lockchain Authentication Tree , Hameleon Hash Function , Data Structures , Hash Functions , Integrity Auditing , Threat Modeling , Erifiable Redactable Blockchain ,

Senior Security Architect (Remote, Atlanta, US)

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Software Security Architecture , Development Opportunities , Company Social Events , Company Community Service Events , Data Security Software , Every Driver , Security Architect , Computer Science , Information Systems , Software Security , Penetration Testing , Incident Management , Information Security Governance , Requirements Analysis , Security Architecture , Threat Modeling , Solutions Architect , Social Events , Senior Security Architect ,

'There's This Illusion That It's an Equalizer': Artist and Director Martine Syms on the Myths of an MFA Education

As Martine Syms's new film "The African Desperate" hits streaming, she discusses the animating forces behind the art-school satire. ....

New York , United States , City Of , United Kingdom , Museum Of Art , Shaniqwa Jarvis , Martine Syms , Chrissie Iles , Adrian Piper , Hili Perlson , Fred Moten , Hannah Erin Leland , Grio College , Dominica Inc , International Film Festival Rotterdam , Museum Of Contemporary Art , New York Times , Philadelphia Museum Of Art , Courtesy Of Dominica Inc , Hessel Museum Of Art , African Desperate , Diamond Stingily , Palace Bryant , Fine Arts , Erin Leland , Los Angeles Based ,

O-RAN Fronthaul Security using MACsec

With 5G being deployed for time-sensitive applications, security is becoming an important consideration. At the same time, Open Radio Access Networks (RAN) are gaining more interest from mobile carriers and governments. Yet, Open RAN networks have serious security challenges, especially in the RAN fronthaul where there are strict timing requirements. This paper proposes MACsec as an efficient data link layer security solution that can assist in meeting these challenges. ....

Macsec Secys , Comcores Macsec , Bip Solutions , Reliable Low Latency Communications , Service Data Unit , Alliance Open Fronthaul , G Networks , Type Communications , Connectivity Association , Association Key , Radio Access Networks , Telecom Infra Project , Security Work Group , Network Protocol , Alliance Security Specifications , Security Focus Group , Cooperation Group , Denial Of Service Do , Information Association Number , Macsec Connectivity Association , Interface Network Configuration Access Control Model , Office For Information Security , Connectivity Association Key , Open Radio Access Networks , Long Term Evolution , Machine Type Communications ,