Denarium physical bitcoins: Difference between revisions
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== | ==19 Models of Denarium bitcoin wallets== | ||
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* Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string) | * Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string) | ||
* Package of the coin: High-tech CertiLine BarCard® package protects the coin from tampering activities, making apparent any forgery and counterfeiting attempts. When the BarCard® is opened an unpredictable pattern will be displayed on the internal surface of both card halves. Undetected reuse or reassembly of the package will not be possible. | * Package of the coin: High-tech CertiLine BarCard® package protects the coin from tampering activities, making apparent any forgery and counterfeiting attempts. When the BarCard® is opened an unpredictable pattern will be displayed on the internal surface of both card halves. Undetected reuse or reassembly of the package will not be possible. | ||
== See also == | == See also == | ||
Revision as of 10:41, 28 May 2019
Denarium physical bitcoins, also called Denarium bitcoin coins, are physical bitcoin coin wallets created by a Finnish Bitcoin company Prasos (Prasos Ltd, Jyväskylä, Finland) that contain an embedded piece of paper with digital Bitcoin value, covered by a tamper-resistant hologram. They can be purchased at Denarium's website, https://www.denarium.com (multiple payment methods accepted: Coinpayments, Visa, Mastercard, IBAN/SEPA bank transfer).
Denarium bitcoin wallets are collectible luxury items, suitable as gifts and used for bitcoin investment. They are a helpful tool to save bitcoin, by making multiple transactions to the wallets. The hologram on the physical bitcoin also provides an option to buy bitcoins loaded on the coins or gold bar. When you buy bitcoin with your order they will be automatically loaded unto your physical bitcoin for you.
The piece of durable paper inside each coin and gold bar has a private key which forms the backing for the Bitcoin value represented by the coin. The private key is in 30-character mini private key format. Redeeming the private key back into digital Bitcoins is currently available with a patched reference client as well as with many alternative clients such as Mycelium.
Whenever you redeem the private key you receive the bitcoin value contained in the wallet, and afterward, the physical bitcoin no longer has any Bitcoin value. It is difficult or impossible to read the private key on the coin without damaging or destroying the hologram, which exposes a honeycomb-like tamper-evidence pattern when peeled.
Denarium physical bitcoins are similar to any form of cold bitcoin storage and are similar to Bitbills and Casascius physical bitcoins in that they are an object that contains a redemption code that serves as a bearer item for digital bitcoins. They are unique bitcoin wallets, made of different materials and are the first to provide a multisig option for physical bitcoins.
19 Models of Denarium bitcoin wallets
Original series 1/10 BTC Coin wallet
- 2.86 cm / 1.126 inches in diameter
- Solid brass
- Approximately 7.65 g / 0.269 ounces
- Mintyear: 2015
- Denomination: 1/10 BTC
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- First appeared in June 2015 [1].
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
- All 4,000 Bitcoin addresses pre-generated for the series have been published on GitHub as automatically updating Bitcoin-signed list
Original series 1/100 BTC Coin wallet
- 2,86 cm / 1.126 inches in diameter
- Solid brass
- Approximately 7,65 g / 0.269 ounces
- Mintyear: 2015
- Denomination:1/100 BTC
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- First appeared in June 2015 [2].
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium Custom Coin wallet
- 2,86 cm / 1.126 inches in diameter
- Solid brass
- Approximately 7,65 g / 0.269 ounces
- Mintyear: 2015
- No denomination on the coin
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium 1 BTC
- 4,06 cm / 1.598 inches inches in diameter
- .999 Fine Silver
- Approximately 31,10 g / 1.097 ounces (1 Troy ounce)
- Mintyear: 2016
- Denomination: 1 BTC
- The production volume: limited to 250 pcs
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium 1 BTC Silver Patinated
- 4,06 cm / 1.598 inches inches in diameter
- .999 Fine Silver with patinated finish
- Approximately 31,10 g / 1.097 ounces (1 Troy ounce)
- Mintyear: 2016
- Denomination: 1 BTC
- The production volume: limited to 100 pcs
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium 1 BTC Silver Golden Edition
- 4,06 cm / 1.598 inches in diameter
- .999 Fine Silver (99,9% silver) with gold finish
- Approximately 31,10 g / 1.097 ounces (1 Troy ounce)
- Mintyear: 2016
- Denomination: 1 BTC
- The production volume: 90 coins
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium 1/10 BTC Gold Plated
- 2,86 cm / 1.126 inches inches in diameter
- 1,6 mm / 0,063 inches thick
- Gold Plated (3 µm) Brass
- Approximately 7,65 g / 0.27 ounces
- Mintyear: 2015
- Denomination: 1/10 BTC
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium 1/100 BTC Gold Plated
- 2,86 cm / 1.126 inches in diameter
- 1,6 mm / 0,063 inches thick
- Gold Plated (3 µm) Brass
- Approximately 7,65 g / 0.27 ounces
- Mintyear: 2015
- Denomination: 1/100 BTC
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium Custom 0-2 BTC Gold Plated
- 2,86 cm / 1.126 inches in diameter
- 1,6 mm / 0,063 inches thick
- Gold Plated (3 µm) Brass
- Approximately 7,65 g / 0.27 ounces
- Mintyear: 2015, 2016 and 2017, 2018 (All coins have the year 2015 minted)
- No Denomination
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium 1 BTC Gold
- 30 mm / 1.181 inches in diameter
- 1 Troy ounce (31,10 g / 1.097 ounces)
- .999 Fine Gold (99,9% gold)
- Mintyear: 2017
- Denomination: 1 BTC
- The production volume: Batch #1: 23 units, Batch #2: 48 units, Batch #3: 65 units
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium 1/2 BTC Gold
- 29 mm / 1.142 inches in diameter
- 1/2 Troy ounce (15,55 g / 0.549 ounces)
- .999 Fine Gold (99,9% gold)
- Mintyear: 2017
- Denomination: 1/2 BTC
- The production volume: Batch #1: 49 units
- Packed in a square Quadrum coin capsule with Intercept technology.
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium Custom Silver
- 3,90 cm / 1.535 inches in diameter
- 1,6 mm / 0,063 inches thick
- .999 Fine Silver (99,9% silver)
- 1 Troy ounce (31,10 g / 1.097 ounces)
- Proof quality
- Mintyear: 2017
- No denomination
- The production volume: Batch: #1 499 coins, Batch # 2 Uncertain.
- EAN / GTIN-13: 6430070871127
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium Patinated Bronze
- 4,06 cm / 1.598 inches inches in diameter
- Bronze with a patina finish
- Approximately 31,92 g / 1.126 ounces
- Mintyear: 2017
- Denomination: 1 BTC
- The production volume: 500 coins
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium Custom Gold Plated 2018
- 3,00 cm / 1,181 inches inches in diameter
- Gold Plated (1-3 µm) Copper
- Approximately 12,9 g / 0.455 ounces
- Thickness: 2,5 mm / 0,098 inches
- Mint year: 2018
- Denomination: Custom (0 to 2 bitcoins)
- The production volume: 3000 coins
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
- Package of the coin: High-tech CertiLine BarCard® package protects the coin from tampering activities, making apparent any forgery and counterfeiting attempts. When the BarCard® is opened an unpredictable pattern will be displayed on the internal surface of both card halves. Undetected reuse or reassembly of the package will not be possible.
Denarium Gold Bar 2018
- Dimensions: 30 x 50 mm / 1.181 x 1.969 inches
- Material: .9999 Fine Gold (99,99 % gold) accreditation by Labtium
- Weight: 2 Troy ounce / 62,21 g / 2.16 ounces
- Thickness: 2,8 mm / 0.110 inches
- Mint year: 2018
- Bitcoin value inside: Custom (0 to 2 bitcoins)
- Mint Country: Poland
- Minted Bars: 100 units (Limited edition)
Denarium Custom Silver Antiqued Golden Edition
- 3,90 cm / 1.535 inches in diameter
- 1,6 mm / 0,063 inches thick
- .999 Fine Silver (99,9% silver)
- 1 Troy ounce (31,10 g / 1.097 ounces)
- Finish: Antiqued and partially gilded with real gold in 2019
- Mintyear: 2017
- No denomination
- The production volume: Limited edition of 100 coins
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium Custom Silver Antiqued Edition
- 3,90 cm / 1.535 inches in diameter
- 1,6 mm / 0,063 inches thick
- .999 Fine Silver (99,9% silver)
- 1 Troy ounce (31,10 g / 1.097 ounces)
- Finish: Antiqued and partially gilded with real gold in 2019
- Mintyear: 2017
- No denomination
- The production volume: Limited edition of 293 coins
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
Denarium Custom Gold Plated 2019 Special Edition
- 3,00 cm / 1,181 inches inches in diameter
- Gold Plated Copper with red details
- Approximately 12,9 g / 0.455 ounces
- Thickness: 2,5 mm / 0,098 inches
- Mint year: 2019
- Denomination: Custom (0 to 2 bitcoins)
- The production volume: 500 coins
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
- Package of the coin: High-tech CertiLine BarCard® package protects the coin from tampering activities, making apparent any forgery and counterfeiting attempts. When the BarCard® is opened an unpredictable pattern will be displayed on the internal surface of both card halves. Undetected reuse or reassembly of the package will not be possible.
Denarium Custom Gold Plated 2019
- 3,00 cm / 1,181 inches inches in diameter
- Gold Plated Copper
- Approximately 12,9 g / 0.455 ounces
- Thickness: 2,5 mm / 0,098 inches
- Mint year: 2019
- Denomination: Custom (0 to 2 bitcoins)
- The production volume: 1500 coins
- Eight-digit "firstbits" visible through a small transparent window that allows limited visibility of one side of the private key paper
- Private key: both 30 character string inside the coin and a QR-code, the 256-bit private key is SHA256(string)
- Package of the coin: High-tech CertiLine BarCard® package protects the coin from tampering activities, making apparent any forgery and counterfeiting attempts. When the BarCard® is opened an unpredictable pattern will be displayed on the internal surface of both card halves. Undetected reuse or reassembly of the package will not be possible.