1. Open Signal and click on your user icon in the upper left.
2. Go to "Settings" --> "Donate to Signal".
3. Click "Donate", select your donation options, and pay with Apple Pay.
Thanks for that, I did a one off 300 euro donation back in '21 during the bubble market; Meredith has been doing the rounds [0] and she hits on lots of good points, and even went to the UK over their now failed bill during the Summer.