Investing.com -- Bitcoin traded above $63,000 on Sunday, rising slightly over the previous 24 hours as the market absorbed expanding Coldcard wallet losses and further Bitcoin sales by Trump Media & Technology Group. Losses linked to a vulnerability in Coldcard hardware wallets have reached 1,367 Bitcoin, worth nearly $89 million, according to Galaxy Research. Trump Media & Technology Group Corp (NASDAQ:DJT) sold another 2,628 BTC worth about $165 million, according to blockchain analytics account Lookonchain. Lookonchain estimates Trump Media's realised and unrealised Bitcoin losses at roughly $555 million. Strategy Inc (NASDAQ:MSTR), the largest corporate Bitcoin holder, maintained the August dividend on its STRC preferred stock at 12%.