The primary 8 characters of the general public handle are on every coin, which lets you get hold of the total handle or examine the stability at FirstBits or the same service. Beneath the tamper-evident holographic sticker on every coin is the personal handle which corresponds to the general public handle. As soon as you have obtained each the private and non-private handle, the method for importing this info into an present pockets has already been documented in this prior query.
Edit: On a facet notice, it is in all probability price noting that this course of is nearly equivalent to the method used to redeem BitBills
Edit 2: Apparently these cash use a special personal key format than customary. Casascius has printed a utility to transform these personal keys to plain addresses and extra concerning the “mini personal key” format could be discovered on the wiki. For these missing a duplicate of Visible Studio, I’ve compiled a duplicate on your comfort. These keys might also be computed utilizing any calculator or code able to producing an SHA256 hash:
SHA256("S4b3N3oGqDqR5jNuxEvDwf") = 0C28FCA386C7A227600B2FE50B7CAE11EC86D3BF1FBE471BE89827E19D72AA1D
In fact that is nonetheless in hex and must be transformed to Bitcoin’s modified Base58 however many pockets import instruments will settle for hex as properly.
Edit 3: Simply heard from Casascius that we could possibly redeem these cash, in addition to any machine bearing a mini personal key immediately at MtGox within the close to future.
Edit 4: Help has formally been added