Casascius physical bitcoin, also called casascius coins have been reportedly redeemed on Monday 23rd, December as someone peeled a 100 BTC ($723K) Casascius bar. The physical bitcoin contains an embedded piece of paper with digital Bitcoin value, covered by a tamper-resistant hologram. The bitcoin was created in 2011 by Mike Caldwell and since its creation, the series of coins has become extremely valuable over the last two months. They have however been in existence a long time ago as people made physical bitcoins unlike in this season when bitcoin exists in digital form as assets. These bitcoins were then manufactured
