Bitcoin (BTC) dropped over 5% in the past 24 hours, following fresh movements associated with the defunct Mt. Gox exchange.Around 500 BTC, valued at $35 million, was transferred from Mt. Gox-linked wallets to unknown addresses.Speculation arises that Mt. Gox may be preparing for the repayment of Bitcoin to its creditors.Mt. Gox, once a major Bitcoin exchange, went bankrupt in 2014 after significant security breaches.