Golden Finance reported that according to official news, Arthur Hayes' family office Maelstrom announced that it has awarded the first grant of its Bitcoin developer program to contributor Rkrux. This fund will support Rkrux to work full-time on Bitcoin Core. The specific amount of funding has not been disclosed. As previously reported, BitMEX founder Arthur Hayes said in mid-July that his family office Maelstrom had launched a Bitcoin developer funding program.