Zcash surged over 80% after developers patched an Orchard bug and proposed Ironwood to restore supply verification.

Zcash's emergency hard fork patched a critical Orchard vulnerability, but the secretive coordination by three developers raises serious governance concerns.

Zcash dropped 38% after disclosing a four-year-old counterfeiting vulnerability in its Orchard shielded pool. Arthur Hayes exited his entire ZEC position.