Subhra Mazumdar

Griefing-Penalty: Countermeasure for Griefing Attack in Bitcoin-compatible PCNs.

2020 · arXiv (Cornell University)

Payment Channel Networks or PCNs have gained prominence ensuring faster relaying of transactions. However, this Layer-two solution has its own fair share of problems. Topological analysis on Lightning Network reveals that Griefing Attack is a …

Chrisimos: A useful Proof-of-Work for finding Minimal Dominating Set of a graph

2023

Hash-based Proof-of-Work (PoW) used in the Bitcoin Blockchain leads to high energy consumption and resource wastage. In this paper, we aim to re-purpose the energy by replacing the hash function with real-life problems having commercial …