Block Double-Submission Attack: Block Withholding Can Be Self-Destructive. (arXiv:2208.05425v2 [cs.CR] UPDATED)

Proof-of-Work (PoW) is a Sybil control mechanism adopted in blockchain-based
cryptocurrencies. It prevents the attempt of malicious actors to manipulate
distributed ledgers. Bitcoin has successfully suppressed double-spending by
accepting the longest PoW chain. Nevertheless, PoW encountered several major
security issues surrounding mining competition. 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 …

attack block