So now I found out that staking an address here, is one of the important things member should do.
3KspKgdjq8wqH2ia173EhboRHugk436gjK
The above address is my main address, it is a coins.ph wallet.
1JAMYRoaPiqK4PStwMpKyWH3S5x6DvHRM
This other address is a blockchain.info address.
quoted,
make sure that you able to sign message with those address.