Its proven about Btcltcdigger & cs bounty has scam bounty participants rewards.
Iam joined OIO bounty
https://bitcointalk.org/index.php?topic=3479652.0Joined Facebook and Twitter Champaign.and suddenly my mew address has changed for Twitter Champaign.the Facebook Champaign still same.
also already fill proof of authentication :
https://bitcointalk.org/index.php?topic=3479652.msg36172523#msg36172523
my twitter register changed not same with Proof of authentication

my fb register

Iam already ask to OIO admin and tell me to ask CS bounty, but CsBounty not even give me Explanation about this and they said is my fault in beginning. iam already check my participant form and all is ok, dont know how can the spreadsheet is changed,who can do that

??
why i complaint after token distribution event done, because i already check my data is right,but dont know is changed all in the end
Second Dealjoy Champaign
https://bitcointalk.org/index.php?topic=4631237.0
Iam joined at the first time Dealjoy bounty started, and doing task every week till the campaign done.
Waiting spreadsheat come out about a month, and meantime my Twitter account get banned.
And manager delisting my Dealjoy stake , not fair at all