Since the start of the year, data shows about 432 Casascius physical bitcoins have been cracked open and redeemed--revealing roughly 1,100 BTC inside, valued at more than $119 million using today's exchange rates. Even after all that peeling action, over 38,000 BTC--worth north of $4 billion--remain sealed within 17,746 active Casascius coins, still holding their [...]