The most convenient option for us is Cryptocurrency. If you wish to avoid high fees and/or price fluctuations, you may send USDC or other tokens through the Solana network to the first address below. However, donating through Liberapay is available as an alternative option:
SEmbRJ8EmbWxBchYUZFJ5iviPFh5XRiMWqz5BWNLNQX
847uf5kFbHGTYrmo37UrWxYvXPJasqV7UbvcCRd5dez6HhxQPCHjA9dSvvpTDeuHNHMLtDiyGVaX72HLGtwgKVNwRdU6H5U
(or blockenheimer.click if your wallet supports OpenAlias)
Monero
0xe34794b37e68BEddD738Af50135788Ce9aaf4c0b