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  • Cubox-i2
    Cubox-i2

    The smallest computer in the world –...

    79,95 € 112,65 € Tax included
Bitcoin and Blockchain

A blockchain is a distributed database that maintains a continuously growing list of ordered records called blocks. Each block contains a timestamp and a link to a previous block. By design, blockchains are inherently resistant to modification of the data — once recorded, the data in a block cannot be altered retroactively. Blockchains are "an o...

A blockchain is a distributed database that maintains a continuously growing list of ordered records called blocks. Each block contains a timestamp and a link to a previous block. By design, blockchains are inherently resistant to modification of the data — once recorded, the data in a block cannot be altered retroactively. Blockchains are "an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way. The ledger itself can also be programmed to trigger transactions automatically."

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Bitcoin and Blockchain There are 4 products.

Showing 1 - 4 of 4 items
  • 60,25 € Out of stock Tax included

    The 1st Bitcoin Bearer Bond or just call it a "Bitcoin Stick" Opendime is a small USB stick that allows you to spend Bitcoin like a dollar bill. Pass it along multiple times. Connect to any USB to check balance. Unseal anytime to spend online. Trust no one. Multi-language user interface: 中文 • 日本語 • English • Portuguese • Français • Deutsch • Русский

    60,25 € Tax included
    Delivery: 3 to 6 weeks
    Add to cart More
    Out of stock
  • 55,00 € In-stock Tax included

    Digital Bitbox is a minimalist bitcoin hardware wallet packed with security and privacy. Safely hold and spend your coins with peace of mind.

    55,00 € Tax included
    Delivery: 1 to 3 weeks
    In-stock
  • 84,95 € Out of stock Tax included

    Ledger Nano S is a Bitcoin, Ethereum and Altcoins hardware wallet, based on robust safety features for storing cryptographic assets and securing digital payments. It connects to any computer (USB) and embeds a secure OLED display to double-check and confirm each transaction with a single tap on its side buttons.

    84,95 € Tax included
    Delivery: 3 to 6 weeks
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    Out of stock
  • 99,95 € In-stock Tax included

    Bitcoin Wallet. The original & most secure hardware wallet.

    99,95 € Tax included
    Delivery: 1 to 3 weeks
    In-stock
Showing 1 - 4 of 4 items