You can earn crypto participating in this forum doing many tasks.You can participate in airdrop which is the free distribution of coins, you can also take part in bounty campaigns. You can get earned the most by joining signature campaign and also by promoting their project in  social media page. Maybe you can take part as their web designer so actually a lot more can earn bitcoin from here in the forum. You need to ranked up atleast in the ranked of jr.member because this is the minimum requirement to accept you in the signature campaign.