How much is a casascius coin worth?

Throughout Casascius's time on the market, the company produced different versions of these coins, in denominations of ₿0.1, ₿0.5, ₿1, ₿10, ₿25, ₿100, and ₿1,000. Casascius started in 2011, when Bitcoin was worth significantly less than it is today. At current prices, 1,000 BTCtranslates to a whopping $37.8 million.

What is a casascius physical Bitcoin?

Casascius Physical Bitcoins or Casascius coins are physical metal coins created by Bitcoin user Casascius (Mike Caldwell, Sandy, Utah, USA) and sold until Nov 26, 2013. It contains an embedded piece of paper with digital Bitcoin value, covered by a tamper-resistant hologram.

How do casascius bitcoins work?

Casascius Bitcoins have a private key imprinted on the coin, hidden by a hologram. This pattern changes to a honeycomb pattern if someone tries to tamper with it. On the outside of the coin, you can see the first 8 letters and numbers of the Bitcoin address linked to that coin.