I heard about crypto and bitcoin from all of my friend and active by using facebook, twitter and telegram channel, many time I got news about new coin for investing or old coin for using as trading and could take much profit later.
I get the news of cryptos using Telegram and join a lot of channel about cryptocurrency. Furthermore, coindesk website is the best website to update the news of cryptocurrency daily, you can subscribe by registering the email and coindesk will send daily news about crypto and blockchain to your email.