UPDATE: Zcash Founder Zooko Wilcox Comments on Orchard Flaw; Ironwood to Reinstate Verifiable Supply Integrity

UPDATE: Zcash founder Zooko Wilcox said the team considers it unlikely that the Orchard vulnerability was exploited previously, though he noted it cannot be ruled out with certainty. The Ironwood initiative is intended to re-establish verifiable supply integrity for Zcash.