[Uncirculated] Casascius Physical Bitcoin [1 BTC]+PLUS Personalized Hologram Kit
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I f you're reading this, you're considering bidding on a (single) 1 BTC Casascius Bitcoin Physical Round , developed by Casascius (Mike Caldwell) , th e p ioneer in physical ("cold storage") solu tion s fo r Bitcoin designed to be physically held and t raded as normal coins. Each 1 BTC piec e can be EASILY converted into an electronica lly tradeable Bitcoin in the blockchainby removing the unique identifying Casascius hologram on the back ( left in the main photo) , reading the enclosed circle of paper into the Address U tilit y available at , and typing the hex p riv ate key it gives you , in to either M or an appropriate Bitcoin wallet program on your computer. These holograms are designed to be the unique signature of Mike Caldwell (Casascius), the coin's manufacturer and certify that th e enclosed slip of paper co ntains the private key to a unique Bi tcoin address loaded with 1 BTC , which nobody else is able to wi thdraw from . (Because, per the manufacturer's guarantee, all copies of the key used in ma king it no longer exist. Since Casascius is well known and trustworthy (and provides his real nam e, address, and digital sig nature with every o rde r), you can rest assured he keeps his promise and nobody else can secretly withdraw to steal funds from the enclosed private key (unlike homemade physical Bitcoins, in which case
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