most citedPolar Coded Merkle Tree: Improved Detection of Data Availability Attacks in Blockchain Systems

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cs.IT2024

Block-MDS QC-LDPC Codes for Information Reconciliation in Key Distribution

Lev Tauz, Debarnab Mitra, Jayanth Shreekumar +3

Quantum key distribution (QKD) is a popular protocol that provides information theoretically secure keys to multiple parties. Two important post-processing steps of QKD are 1) the…

cs.IT2023

Fully Private Grouped Matrix Multiplication with Colluding Workers

Lev Tauz, Lara Dolecek

In this paper, we present a novel variation of the coded matrix multiplication problem which we refer to as fully private grouped matrix multiplication (FPGMM). In FPGMM, a master…

cs.IT2023

Non-Binary LDPC Code Design for Energy-Time Entanglement Quantum Key Distribution

Debarnab Mitra, Lev Tauz, Murat Can Sarihan +2

In energy-time entanglement Quantum Key Distribution (QKD), two users extract a shared secret key from the arrival times (discretized as symbols) of entangled photon pairs. In prio…

cs.IT2023

Polar Coded Merkle Tree: Mitigating Data Availability Attacks in Blockchain Systems Using Informed Polar Code Design

Debarnab Mitra, Lev Tauz, Lara Dolecek

Data availability (DA) attack is a well-known problem in certain blockchains where users accept an invalid block with unavailable portions. Previous works have used LDPC and 2-D Re…

cs.IT20221 cited

Polar Coded Merkle Tree: Improved Detection of Data Availability Attacks in Blockchain Systems

Debarnab Mitra, Lev Tauz, Lara Dolecek

Light nodes in blockchain systems are known to be vulnerable to data availability (DA) attacks where they accept an invalid block with unavailable portions. Previous works have use…