Casascius bitcoin 2013
Diameters are 30mm and 25mm. Dress your Bitcoins for tomorrow, make them look their best in your vault today. Would weigh about 12 ounces if it were solid gold, this is a 4. A neat-looking novelty that looks unmistakably valuable. Available as a pre-loaded BTC bar, as well as a non-denominated savings bar. Two-factor encryption is available at no charge. Bar is 80mm x 40mm x 6mm. The "private key" is on a card embedded inside the coin and is protected by a tamper-evident hologram.
The hologram leaves behind a honeycomb pattern if it is peeled. If the hologram is intact, the bitcoin is good. If you have purchased a 2-factor item, the private key is encrypted and will need to be decrypted using your original preselected passphrase before you can redeem the funds. The 8-character code you see on the outside of the coin is the first eight characters of the Bitcoin address assigned specifically to that coin. You can verify the coin's balance on Block Explorer.
There is a mathematical relationship between the Bitcoin address and the private key inside the coin. The digital bitcoin is actually located on the public "block chain" stored on the internet, but it is completely inaccessible to anyone unless the private key from the coin is loaded into a Bitcoin wallet.
To recover the digital bitcoins, there are several ways to convert the embedded code back into a digital bitcoin so it can be spent over the internet. Most importantly, none of the methods relies on me or any other central issuer, due to Bitcoin's completely decentralized design. The embedded private key code is everything a Bitcoin client needs to find and claim the digital Bitcoins from the peer-to-peer network.
For example, you can enter or "import" your coin's private key code directly into Bitcoin clients such as Armory , Blockchain. Gox as a deposit method. Casascius coins use the " minikey " private key format, and the main Bitcoin. Of course, since the face value of the coins depends on the integrity of the embedded key code, you should only accept Casascius Bitcoins bearing an undamaged Casascius hologram from others.
The phone number is requested for FedEx on all shipments as well as international orders on the customs form. Casascius Bitcoins are physical coins you can hold - and each one is worth real digital bitcoins.
Bitcoin is the most widely used open-source peer-to-peer "cryptocurrency" that you can send over the Internet without a bank or a middleman.
Each Casascius Bitcoin is a collectible coin backed by real Bitcoins embedded inside. Each piece has its own Bitcoin address and a redeemable "private key" on the inside, underneath the hologram. This is a solid brass coin. Each 1-bitcoin coin is about 1. Perfect as a small gift to introduce someone to Bitcoin.
This is a 39mm 1oz silver round accented with gold electroplating on the rim and on the Bitcoin logo, loaded with one digital bitcoin. Diameters are 30mm and 25mm. Dress your Bitcoins for tomorrow, make them look their best in your vault today. Would weigh about 12 ounces if it were solid gold, this is a 4. A neat-looking novelty that looks unmistakably valuable.
Available as a pre-loaded BTC bar, as well as a non-denominated savings bar. Two-factor encryption is available at no charge. Bar is 80mm x 40mm x 6mm. The "private key" is on a card embedded inside the coin and is protected by a tamper-evident hologram. The hologram leaves behind a honeycomb pattern if it is peeled. If the hologram is intact, the bitcoin is good.
If you have purchased a 2-factor item, the private key is encrypted and will need to be decrypted using your original preselected passphrase before you can redeem the funds. The 8-character code you see on the outside of the coin is the first eight characters of the Bitcoin address assigned specifically to that coin.
You can verify the coin's balance on Block Explorer. There is a mathematical relationship between the Bitcoin address and the private key inside the coin. The digital bitcoin is actually located on the public "block chain" stored on the internet, but it is completely inaccessible to anyone unless the private key from the coin is loaded into a Bitcoin wallet.