In 2011, a trader named Kevin bought almost 260,000 BTC for just $3,000 — when the price crashed to 1 cent for a few minutes after the Mt.Gox exchange was hacked.

In 2011, a trader named Kevin bought almost 260,000 BTC for just $3,000 — when the price crashed to 1 cent for a few minutes after the Mt.Gox exchange was hacked.

He managed to withdraw only 643 BTC: the exchange went offline and cancelled the trades. Today those 260,000 BTC would be worth about $19 billion.