Bitcoin and cryptocurrencies have been getting a lot of coverage in the media in the past couple of years. Plenty of people accept it as a form of payment. You can also accept donations in bitcoin. Easy Bitcoin Donation Widget is a handy plugin that lets you add such functionality to your site fast.
This widget is pretty easy to use. Simply set donation amount in Bitcoin, set title and message for your QR code, and enter your Bitcoin address. You do have the option to set a specific amount of donation. Want to make your QR clickable? No problem.
Before getting started, you should set up a wallet and make sure you understand how to handle and transfer cryptocurrencies. You can try this plugin for fre.