Mike Caldwell, a resident of Sandy, Utah, casascius bitcoin ebay scam the US, first introduced physical bitcoins for purchase in 2011. Each coin holds the key to the digital value assigned to a particular bitcoin account. Though the coins are designed to reflect the relative worth of an account, they’re actually just secure containers for the digital information that unlocks the bitcoin’s value. The eight-character code on the outside of the coin corresponds to the first eight characters of an individual bitcoin address, which is assigned specifically to that coin.
The individual bitcoin account’s “private key” is embedded on a card inside each coin. The digital bitcoin, of course, is located online, found in the public “block chain” that records every bitcoin transaction on the internet. The digital coin connected to each Casascius is accessible only to the person who has the private key from the physical coin. To spend a Casascius, the owner uses the code embedded into it to access the digital bitcoin online. The private key code can be imported directly into bitcoin clients or exchanges like Armory, Blockchain. How can anyone tell if a Casascius coin is good?
The coin’s design includes a tamper-evident hologram label that conceals the private key. Peeling off the label to access the key leaves behind a tell-tale honeycomb pattern that indicates the coin has been used. The holograms were made by a premier manufacturer who understands they are in the business of making tamper-evident labels, and it looks to me like they did a really good job. It’s pretty difficult to remove the hologram without exposing an obvious “honeycomb” tamper evident pattern. What does a Casascius look like? 1 Casascius coin is a brass coin that’s 1.
25 Casascius coin was minted only in 2011, although it is available for sale. Combined with the heft, the gold electroplating makes this an impressive-looking coin. The Casascius 2-Factor Gold-Plated Savings Bar looks like a small gold bar: its dimensions are 8 mm x 40mm x 6mm. The bar is available as a pre-loaded 100 BTC bar or as a non-denominated savings bar. Where and how can Casascius coins be purchased?
You can buy them online, either with bitcoins or using other forms of payment. Bitcoins are the only accepted form of payment for Casascius coins on Caldwell’s website. Is it true that Caldwell stopped taking orders in April 2013? This coin is the same style in every way, but is one inch instead of 1. 125 inches in diameter,” Caldwell states, adding, “This is being added due to the rise in bitcoin value.