Hello,
apt key of apt.z.cash seems to be expired:
pub rsa4096 2016-10-18 [SC] [expired: 2018-10-18]
F1E2 1403 7E94 E950 BA85 77B2 63C4 A216 9C1B 2FA2
uid [ expired] Zcash Master Signing Key
could someone publish a new one?
thanks!