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G2A.COM’s main offerings are game key codes for platforms such as Steam, EA app, Uplay, PlayStation Network, Xbox, and Nintendo Switch, as well as gift cards, top-ups, and other digital products. [5] As a marketplace, G2A.COM does not sell any digital items itself. Instead, the platform is an intermediary between buyers and sellers.
That’s because Coinbase Wallet is a standalone app called a self-custody wallet, which stores your private keys directly on your device and not on Coinbase, which is a centralized exchange.
Coinbase Global, Inc., branded Coinbase, is an American publicly traded company that operates a cryptocurrency exchange platform. Coinbase is a distributed company; all employees operate via remote work. It is the largest cryptocurrency exchange in the United States in terms of trading volume. [4]
Using public key cryptography, it is possible to prove possession of a private key without revealing that key. The authentication server encrypts a challenge (typically a random number, or at least data with some random parts) with a public key; the device proves it possesses a copy of the matching private key by providing the decrypted challenge.
A payment card number, primary account number (PAN), or simply a card number, is the card identifier found on payment cards, such as credit cards and debit cards, as well as stored-value cards, gift cards and other similar cards. In some situations the card number is referred to as a bank card number. The card number is primarily a card ...
paper key - (NSA) keys that are distributed in paper form, such as printed lists of settings for rotor machines, or keys in punched card or paper tape formats. Paper keys are easily copied. See Walker spy ring, RED key. poem key - Keys used by OSS agents in World War II in the form of a poem that was easy to remember. See Leo Marks.
A grey market exists around Steam keys, where less reputable buyers purchase a large number of Steam keys for a game when it is offered for a low cost, and then resell these keys to users or other third-party sites at a higher price. [67] [68] This caused some of these third-party sites, such as G2A, to be embroiled in this grey market. [69]
Gift card for a U.S hardware store. A gift card, also known as a gift certificate in North America, or gift voucher or gift token in the UK, [1] is a prepaid stored-value money card, usually issued by a retailer or bank, to be used as an alternative to cash for purchases within a particular store or related businesses. Gift cards are also given ...