They accept bitcoin, without any hassles or having to provide any information about yourself.  Just a simple QR code for the bitcoin address:<p><a href="http:&#x2F;&#x2F;archive.org&#x2F;donate&#x2F;bitcoin.php" rel="nofollow">http:&#x2F;&#x2F;archive.org&#x2F;donate&#x2F;bitcoin.php</a><p>If you already have a wallet, it may be the easiest way to donate.