It's an extra % amount of Bitcoin you get from your claims (the bonus you get is rounded : 2.5 satoshi becomes 3!), you can increase your loyalty bonus by logging to your account daily, the max bonus is 100%, if you don't login to your account in the last 24h your bonus will reset to 0% in the next update, referral commission do not apply to the bonus.
The site is legal and paying.. and you can earn lifetime.
