This coin is made of an alloy that is both strong and highly resistant to heat, with the design goal of protecting the private key even in the event of a fire. Although the current hologram is not sufficient to ensure protection in extreme situations, CryptoVault plans to design new holograms that will be fire, …
Material: Alloy
2015 CoinBull BTC Gold Plated Coin
CoinBull is an online store selling precious metal bullion as well as BTC and LTC. Both for promotional purposes and to serve as an effective medium to store BTC, the ‘Coinbull Crypto Coin’ was released as a way to allow ‘physical delivery’ of BTC and LTC. The face of the coin is dominated by the …
2011 100,000 LTC Series 1 100,000 LTC 2011 Bar
The Litecoin bar is one of a kind and was created specially for Charlie Lee, the creator of Litecoin. The loaded value ‘100,000 LTC’ is laser-printed below the series 1 hologram. This is the only coin or bar that Casascius is known to have funded with a crypto-currency other than bitcoin.
2011 BTC Series 2 2011 ‘2FA Storage Bar’
The 2-Factor Storage Bar uses complex two factor authentication to access the stored BTC value once it is sent to the bar. These bars have their public address laser printed onto them, as well as ‘casascius.com/2factor’ which explains how the bars work. In order to redeem the bar, one must not only tear the hologram …
2011 BTC Series 2 2011 ‘Storage Bar’
These bars were the first ‘empty’ item released by Casascius. They function like any physical Casascius coin in that bitcoin can be sent to it using the first-bits, but redeemed only by removing the hologram.
2011 1000 BTC Series 2 1,000 BTC 2011 ‘2FA Unfunded Bar’
The 2FA 1,000 BTC bar is one of a kind. It has ‘ZERO BTC’ engraved on to the hologram. ‘2factor’ is also engraved on to the hologram. It is a rarer counterpart to the series 2 100 BTC ‘2FA’ bar.
2011 1000 BTC Series 1 1,000 BTC 2011 Bar
With less then 20 percent of the bars left un-redeemed, this bar is among the most elusive and valuable of the Casascius bars. ‘1000 BTC’ and ‘One Thousand Bitcoins’ is laser printed on the bar (in the same manner as on the 500 BTC bar), instead of stamped like on the 100 BTC versions. In …
2011 500 BTC Series 1 500 BTC 2011 Bar
Considering that only one of these bars remain in an un-redeemed state, it is possible that it will fetch the highest amount over face value compared to any other Casascius item if it is ever sold. Unlike the normal series 1 first-bits that are printed on the hologram with an ink-jet printer, this bar has …
2011 100 BTC Series 2 100 BTC 2011 ‘2FA Unfunded Bar’
These bars were created from 100 BTC bars that were not funded or sold. In order for Mr. Caldwell to confidently sell unfunded bars that were stamped with ‘100 BTC’, he came up with the idea to add a laser-engraved ‘ZERO BTC’ directly onto the hologram to make it clear that the intact hologram was …
Full coin information →“Series 2 100 BTC 2011 ‘2FA Unfunded Bar’”
2011 100 BTC Series 2 100 BTC 2011 ‘Unfunded Bar’
These ‘Non-2FA’ 100 BTC bars are limited to a mintage of only eight pieces, none of which have been funded. To uniquely identify them as unfunded bars, these bars come with a ‘ZERO BTC’ etched hologram which is intentionally placed upside down. Additionally a small red dot was placed by the first-bits to further differentiate …
Full coin information →“Series 2 100 BTC 2011 ‘Unfunded Bar’”