The phrase "free tokens" refers to something that is being given away at no cost. Tokens could be digital currency, coupons, or vouchers that can be used to get certain benefits or rewards without having to pay for them. Full definition
Browse without registration or register for free to be able to save your favorites and get free tokens for private shows. (goodsiteslike.com)
Other companies are doing similar things, such as offering free tokens for signing up for newsletters or to people registering to use products. (gfmag.com)
When bitcoin forks, a new coin is created giving those that hold bitcoin free tokens. (hacked.com)