Grin Development Fund Receives 50 BTC Anonymous Donation from a 2009-2010 Bitcoin Pioneer. The address used for the first donation was 18FufdutXggR2EgBuu6xRvL15kmpaPzfTQ. The address used for the second donation was 1DwVZeatHifRzHXtphcpqJ6j1YuC8kFDqd. Both wallets are from 2010 and have been inactive for 9 years. There is speculation that the donor might be Satoshi Nakamoto.