TronLink gives you the opportunity to collect free points and exchange them, at the end of the contest, into TRX, ETH, BTC or BTT.
To get your first 300 points, all you need is to visit : https://dapp.tronlink.org/#invitecode?code=0000&lang=en ,scan the QR code, install the wallet, create or import your wallet.
Click on "Me" at the bottom right corner, then go to "Friend invitation". Now you need to click on "Claim Rewards" and use my incredible invitation code 0000.
To collect more points, all you need is to invite friends. For each you get 300 additional points.