Cryptocurrency exchange

If you're a business interested in the blockchain, you are probably running a private blockchain already; perhaps a version of Ethereum with the mining stripped out. In this case the power problem is already a nonissue, and the transaction speed is already much higher than 15 TX/second. There's actually…

Display ads are focused on building brand awareness rather than making a sale. And you'll need a lot of website traffic to make $300+/month, since history alternative to nicehash your pay depends on the number of times your ads are viewed. For example, YouTuber Weylie Hoang sells makeup through…