Design/Logic Flaw

Electric Coin Company Zcashd before 2.1.1-1 allows attackers to trigger consensus failure and double spending. A valid chain could be incorrectly rejected because timestamp requirements on block headers were not properly enforced...

Go Ethereum and before version Security Vulnerabilities

Ethereum Go-ethereum is a codebase from the Ethereum community that implements the ethereum protocol in the Go language. A security vulnerability exists in Go Ethereum 1.9.4 and before version 1.9.20, which stems from the possibility of a chain break where the vulnerable version rejects the...