iCenter Telegram Coins bot runs since 2017. You can install the free Telegram Messenger on your PC and also at your phone. So click here and take your chance Or visite this page for more info. They use Bitcoin, Bitcoin Cash (BCH), Litecoin and Ethereum.
If you need a free wallet and miner go to www.coinpot.co/
I recommend to start with Litecoin because 0.1 LTC is approximately 6 dollar and the Litecoin is more stable than the Bitcoin. (Base rate: 1.4% per day (0.35% every 6 hours).