You have to hodl minimum 10k PRiV on your AD address that was registred during the airdrops
and according to the discord #PRIVCY-LOYALTY-PROGRAM every begining of the monthg, there will be a little hodler reward
if you do so, stake your funds, so you will get on a daily base PRiV on your wallet
UPDATE:
Mini Airdrop schedule:
Month 1 : cutoff for balances 11/30/2018 16:00 UTC - Airdrop 12/01/2018
Month 2 : cutoff for balances 12/31/2018 16:00 UTC - Airdrop 01/01/2019
Month 3 : cutoff for balances 01/31/2019 16:00 UTC - Airdrop 02/01/2019
Month 4 : cutoff for balances 02/28/2019 16:00 UTC - Airdrop 03/01/2019
Month 5 : cutoff for balances 03/31/2019 16:00 UTC - Airdrop 04/01/2019
Month 6 : cutoff for balances 04/30/2019 16:00 UTC - Airdrop 05/01/2019
Month 7 : cutoff for balances 05/31/2019 16:00 UTC - Airdrop 06/01/2019
Month 8 : cutoff for balances 06/30/2019 16:00 UTC - Airdrop 07/01/2019
Month 9 : cutoff for balances 07/31/2019 16:00 UTC - Airdrop 08/01/2019
Month 10 : cutoff for balances 08/31/2019 16:00 UTC - Airdrop 09/01/2019
Month 11 : cutoff for balances 09/30/2019 16:00 UTC - Airdrop 10/01/2019
Month 12 : cutoff for balances 10/31/2019 16:00 UTC - Airdrop 11/01/2019