Zcash seals $1.7 billion shielded pool as Ironwood upgrade activates
CoinDesk·
60-second summary
Zcash seals a $1.7 billion shielded pool as the Ironwood upgrade activates, marking a significant milestone in the cryptocurrency's history. The upgrade retires Orchard, a vulnerable protocol that sat undetected for four years, and replaces it with a secure gate that limits withdrawals to verified deposits, ensuring the integrity of the shielded pool and its $1.7 billion worth of coins.
The upgrade retires Orchard, where a counterfeiting bug sat undetected for four years. Every coin inside now has to leave through a gate that caps withdrawals at verified deposits.