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  2. G2A - Wikipedia

    en.wikipedia.org/wiki/G2A

    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. As a marketplace, G2A.COM does not sell any digital items itself. Instead, the platform is an intermediary between buyers and sellers.

  3. MetaMask - Wikipedia

    en.wikipedia.org/wiki/MetaMask

    MetaMask. MetaMask is a software cryptocurrency wallet used to interact with the Ethereum blockchain. It allows users to access their Ethereum wallet through a browser extension or mobile app, which can then be used to interact with decentralized applications. [1] [2] MetaMask is developed by Consensys, a blockchain software company focusing on ...

  4. Kraken (company) - Wikipedia

    en.wikipedia.org/wiki/Kraken_(company)

    Kraken. / 37.790024; -122.4008331. Kraken (legally named Payward, Inc.) is a United States–based cryptocurrency exchange, founded in 2011. It was one of the first bitcoin exchanges to be listed on Bloomberg Terminal and was valued at US$3 billion in January 2024. [citation needed]

  5. Cryptocurrency wallet - Wikipedia

    en.wikipedia.org/wiki/Cryptocurrency_wallet

    A deterministic wallet seed phrase of a crypto wallet. A sequential deterministic wallet utilizes a simple method of generating addresses from a known starting string or "seed". This would utilize a cryptographic hash function, e.g. SHA-256 (seed + n), where n is an ASCII-coded number that starts from 1 and increments as additional keys are needed.

  6. Solana (blockchain platform) - Wikipedia

    en.wikipedia.org/wiki/Solana_(blockchain_platform)

    Solana is a blockchain platform which uses a proof-of-stake mechanism to provide smart contract functionality. Its native cryptocurrency is SOL . Solana was launched in 2020 by Solana Labs, which was founded by Anatoly Yakovenko and Raj Gokal in 2018. The blockchain has experienced several major outages, was subjected to a hack, and a class ...

  7. Decentralized finance - Wikipedia

    en.wikipedia.org/wiki/Decentralized_finance

    Decentralized finance. Decentralized finance (often stylized as DeFi) offers financial instruments without relying on intermediaries such as brokerages, exchanges, or banks by using smart contracts on a blockchain, mainly Ethereum. DeFi platforms allow people to lend or borrow funds from others, speculate on price movements on assets using ...

  8. Bitcoin protocol - Wikipedia

    en.wikipedia.org/wiki/Bitcoin_protocol

    Bitcoin protocol. The Bitcoin protocol is the set of rules that govern the functioning of Bitcoin. Its key components and principles are: a peer-to-peer decentralized network with no central oversight; the blockchain technology, a public ledger that records all Bitcoin transactions; mining and proof of work, the process to create new bitcoins ...

  9. Bitkey - Wikipedia

    en.wikipedia.org/wiki/Bitkey

    Active. Pricing model. US$150. Website. https://bitkey.world. Bitkey is a self-custody Bitcoin hardware wallet created by Block, Inc., an American company founded by Jack Dorsey. Block launched Bitkey in December 2023, taking pre-orders in 95 countries, and started shipping it in March 2024. [1] [2] [3]