Re: WAVES | Ultimate crypto-tokens blockchain platform | BITCOINCASH AIRDROP FEB 22
Waves community can give away 500 waves https://wavescommunity.com/contest-guess-the-seed/ , but they can't payout 600 waves owed to someone for almost 2 years now. 
As I said, I can't help you.
I'm not a member of the Waves team, this is not the official Waves topic.
The only way is by contacting support or try Slack.
I think after 2 years it will be difficult to claim a signature bounty.
I haven't just started trying. I've been trying to get these since Jun 2016
Same here. I'm on the list, but never received signature reward.
Not sure what you've tried to claim your signature reward but for sure I can't help you.
Create a ticket @ https://support.wavesplatform.com
really after 2 years you wanna claim your bounty .......
GL with it .......