Bitcoin collectors purchased rare Casascius gold bars for $500, now profiting over $10 million.
According to ChainCatcher news and a report from Cryptoslate, a collector who goes by the name John Galt on the Bitcoin Talk forum has recently successfully redeemed a solid gold Casascius physical Bitcoin bar purchased in 2012, extracting 100 BTC from it, currently worth over $10 million. It is reported that the purchase price of the bar at that time was only $500, resulting in a Return on Investment of approximately 2,000,000%.
Casascius physical Bitcoins were issued by Mike Caldwell in 2011, embedded with real Bitcoin private keys. Due to regulatory pressure, production stopped in 2013, and they have now become rare collectibles in crypto history. According to