BitTorrent has officially announced for the airdrop to all the Tron (TRX) hodlers. The airdrops will automatically be distributed to all the hodlers of TRX. This initiative has also been supported by some of then major exchanges like Binance, WazirX etc.
If you want to get more specific and genuine information then go and see the tweets from the CEO Justin Sun.
The timeline for the airdrops will be starting from February 11, 2019.
Want to know more about the airdrop terms and condition then go here
Also check the supporters of BTT airdrops WazirX