Zac_Cheah is the CEO of Pundi X and therefore is helping manage this campaign. For Updates regarding the Bounty Thread you can read the 4th post made by Zac.
General Guidelines for Wallets and using them in Bounties
1. Never put your private key in the spreadsheet, instead only use the public key.
2. Never use the wallet you use to store your investments for Bounties.
3. Never use the same wallet for more than one project if you are using it for Bounties.
4. Do not use exchange wallets or any third party wallets.
* If you will insist to pool all your tokens togheter because it is hard to track them, then use a hardware wallet to store them.
Good Wallets
ERC-20 / Ethereum based Tokens
*Myetherwallet
Waves based Tokens
*Waves
Hardware Wallets
*Ledger Nano S
*Trezor
Notice: The project is from Indonesia so this language will not be needed.
Reserved Languages
Indonesian
Chinese
Korean
Spanish
Turkish
Japanese