Vista.Network is a website offering a high daily return on your bitcoins + Ethereum. They’re also offering some other pie-in-the-sky miners but they will likely never present an actual profit. I recommend you DO NOT invest!
Read this review for more information: http://behindmlm.com/mlm-reviews/vista-network-review-bitcoin-ethereum-80-day-doubler-ponzi/
Here’s some ways that I invest my bitcoins through legitimate means:
– Copy traders and let them grow your bitcoins for you at: http://1broker.io
– Lend your coins to margin traders on Poloniex and use CoinLend to get the best rates: https://www.coinlend.org/?referral=3MS3N2
– Interested in where I learnt to trade?: http://digitalcurrencytraders.com/ref/36/