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  2. Bitcoin - Wikipedia

    en.wikipedia.org/wiki/Bitcoin

    The domain name bitcoin.org was registered on 18 August 2008. [15] On 31 October 2008, a link to a white paper authored by Satoshi Nakamoto titled Bitcoin: A Peer-to-Peer Electronic Cash System was posted to a cryptography mailing list. [16] Nakamoto implemented the bitcoin software as open-source code and released it in January 2009. [6]

  3. Cryptocurrency - Wikipedia

    en.wikipedia.org/wiki/Cryptocurrency

    A logo for Bitcoin, the first decentralized cryptocurrency The genesis block of Bitcoin's blockchain, with a note containing The Times newspaper headline. This note has been interpreted as a comment on the instability caused by fractional-reserve banking.

  4. Bitcoin protocol - Wikipedia

    en.wikipedia.org/wiki/Bitcoin_protocol

    A diagram of a bitcoin transfer. 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 and verify transactions; and ...

  5. Best blockchain ETFs: Here’s how you can invest in the ...

    www.aol.com/finance/best-blockchain-etfs-invest...

    Cryptocurrency vs. Blockchain ETFs: How these investments differ For those interested in digital currencies, Bitcoin and Ethereum ETFs offer the key way to invest through a traditional exchange ...

  6. Blockchain - Wikipedia

    en.wikipedia.org/wiki/Blockchain

    The implementation of the blockchain within bitcoin made it the first digital currency to solve the double-spending problem without the need for a trusted authority or central server. The bitcoin design has inspired other applications [ 3 ] [ 2 ] and blockchains that are readable by the public and are widely used by cryptocurrencies .

  7. Decentralized finance - Wikipedia

    en.wikipedia.org/wiki/Decentralized_finance

    Decentralized finance (often stylized as DeFi) provides financial instruments and services through smart contracts on a programmable, permissionless blockchain.This approach reduces the need for intermediaries such as brokerages, exchanges, or banks. [1]

  8. Decentralized application - Wikipedia

    en.wikipedia.org/wiki/Decentralized_application

    Bitcoin's system for transaction validation is designed so that the average time for a block on bitcoin's blockchain to be mined is 10 minutes. [11] Ethereum offers a reduced latency of one mined block every 12 seconds on average (called Block Time). For comparison, Visa handles approximately 10,000 transactions per second.

  9. Cryptocurrency wallet - Wikipedia

    en.wikipedia.org/wiki/Cryptocurrency_wallet

    An example paper printable bitcoin wallet consisting of one bitcoin address for receiving and the corresponding private key for spending. A cryptocurrency wallet is a device, [1] physical medium, [2] program or an online service which stores the public and/or private keys [3] for cryptocurrency transactions.