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cs.IT2020
Concentrated Stopping Set Design for Coded Merkle Tree: Improving Security Against Data Availability Attacks in Blockchain Systems
Debarnab Mitra, Lev Tauz, Lara Dolecek
In certain blockchain systems, light nodes are clients that download only a small portion of the block. Light nodes are vulnerable to data availability (DA) attacks where a malicio…
cs.IT2020
Non-Uniform Windowed Decoding For Multi-Dimensional Spatially-Coupled LDPC Codes
Lev Tauz, Homa Esfahanizadeh, Lara Dolecek
In this paper, we propose a non-uniform windowed decoder for multi-dimensional spatially-coupled LDPC (MD-SC-LDPC) codes over the binary erasure channel. An MD-SC-LDPC code is cons…