Quick TakeLongtime bitcoin proponent Tuur Demeester’s bitcoin alpha fund Adamant Capital has quietly shut down, The Block has learned.Michiel Lescrauwaet, co-founder of Adamant Capital, confirmed the closure, saying that Demeester decided so due to “personal & family reasons.”Adamant Capital had AUM of around $10 million when it closed, Lescrauwaet told The Block.