We have replaced donations.
We are still running a crypto currency. We switch to Zcash.
That currency feels better to handle than just Bitcoin.
In terms of security, the currency is one of the best options.
In this way you can buy which crypto you want and make an exchange to the Zcash option buy Zcash.
Here you have a guide that you can use.
Code:
https://superbits.org/forum/55/topic/2780/hur-man-donera-till-superbits
If you have questions, you can ask them.
Have the best dear Superbits!
/ Staff