404 is listed on Btcpop.
Auto staking of all your holdings ( also in sell orders ).
Faucet: https://btcpop.co/Faucet/
Faucet claims are added to you btcpop account once a day, pending faucet claims don't get staking rewards.
Staking fee = 2% and is for 100% used to fund the Faucet.

First PoS Rewards should show up in a week, also if you deposit later you would get a part of it.
PoS reward is calculated like:
PoS Reward * 0.98 / all coins in user balances * your holdings = Your reward.