CRYPTOCURRENCY
cryptocurrency
Coinbase Addresses Zcash Mining Centralization Concerns
Coinbase's Blockchain Security Team has identified a 51% control over the Zcash network's computational power by a single mining pool, ViaBTC. This raises concerns about security vulnerabilities, such as double-spend attacks and censoring transactions. To address this, Coinbase increased the Zcash confirmation requirement to 110 blocks, transitioned its trading markets to a limit-only state, and engaged with stakeholders.