Note that due to an oversight, the Zcash genesis block does not follow BIP-34.
Note that due to an oversight, the Zcash genesis block does not follow BIP-34.

Signed-off-by: Daira Hopwood <cd7d43d5556a38ce626d53826fddc46adc597539@jacaranda.org>

zcash/zips,zcash/zips,zcash/zips,zcash/zips