You can donate straight to 3PJQkCEDgjSCcKBnnDkNAikcF5JQp6XSEo9
That's the foundation wallet You can donate with Waves or CoexistCoin or Waves Community token. Any Waves token.
For BTC and ETH you'd have to get an address from Phil because the addresses for those change in the Waves Dex periodically.
Thanks mate!
Now that it is clear I'll donate some of my bounty to the cause and I will continue to do this as long as the campaign goes on and even after it is finished.