You will need CHROME BROWSER, TRONLINK WALLET and TRON (TRX) Cryptocurrency to participate in TRONBOX.
You can download the official Chrome Browser TRONLINK WALLET here -
https://chrome.google.com/webstore/detail/tronlink%EF%BC%88%E6%B3%A2%E5%AE%9D%E9%92%B1%E5%8C%85%EF%BC%89/ibnejdfjmmkpcnlpebklmnkoeoihofec
Send TRX to your TRONLINK Wallet, then go to this TRONBOX and invest.
https://TronBox.io/?ref=TGFntp5sByHGPk8uPNDr643gDWBNToTXWS
Earn 4% on your TRX.... FOREVER!!!!!!!!!!!!!!!!!!!!!!!!