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bitcoin exchange [citation needed] Bitwala: 2015 Germany: Berlin: bitcoin debit card, international transfers, bitcoin wallet [2] Blockchain.com: 2011 Luxembourg: wallet provider [citation needed] Blockstream: 2014 United States: San Francisco: software [citation needed] BTC-e: 2011 Russia: bitcoin exchange Shut down by the United States ...
Non-fungible token. Illustration of a non-fungible token generated by a smart contract (a program designed to automatically execute contract terms) A non-fungible token ( NFT) is a unique digital identifier that is recorded on a blockchain and is used to certify ownership and authenticity. It cannot be copied, substituted, or subdivided. [1]
A business card typically includes the giver's name, company or business affiliation (usually with a logo) and contact information such as street addresses, telephone number (s), fax number, e-mail addresses and website. Before the advent of electronic communication, business cards also included telex details. [3]
Digital currency. Digital currency ( digital money, electronic money or electronic currency) is any currency, money, or money-like asset that is primarily managed, stored or exchanged on digital computer systems, especially over the internet. Types of digital currencies include cryptocurrency, virtual currency and central bank digital currency.
Standard. RFC 6350. vCard, also known as VCF (Virtual Contact File), is a file format standard for electronic business cards. vCards can be attached to e-mail messages, sent via Multimedia Messaging Service (MMS), on the World Wide Web, instant messaging, NFC or through QR code. They can contain name and address information, phone numbers, e ...
"The Gateway to Astronaut Photography of Earth – Image Detective" is an interactive citizen science hunt for the Earth location of images taken from space by astronauts since the 1960s. Reviewing 1.8 million photos, individuals submit what they believe to be the location of a given photo, and thus accumulate "points" and "badges" on part of ...
But he takes a shine to one of Coop’s cards with an iridescent Alakazam, a mustachioed psychic Pokémon, and a high score of 9. It’s a card Coop intended to sell, but without thinking twice ...
Photo identification. Photo identification or photo ID is an identity document that includes a photograph of the holder, usually only their face. The most commonly accepted forms of photo ID are those issued by government authorities, such as driver's licenses, identity cards and passports, but special-purpose photo IDs may be also produced ...