Block Double-Submission Attack: Block Withholding Can Be Self-Destructive. (arXiv:2208.05425v1 [cs.CR])

Proof-of-Work (PoW) is the core security mechanism of Bitcoin, the first and
financially biggest cryptocurrency. This concept began as an efficient spam
e-mail mitigation technique. Meanwhile, it encountered several major security
issues in the decentralized environment of blockchain. One of them is a Block
WithHolding (BWH) attack that can exploit a widespread and cooperative
environment called a mining pool. This attack takes advantage of untrustworthy
relationships between mining pools and participating agents. Moreover,
detecting or responding to attacks is challenging …

attack block