One of Bitcoin's largest miners is moving a lot of coin, and traders are watching every transfer. MARA Holdings moved 1,000 BTC — worth about $80.66 million at current prices — to BitGo overnight, according to PANews. It is the fourth large move from the miner in October, and across the month MARA has now shifted 4,860 BTC, equal to roughly six months of its mining output, according...
