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Bitcoin (abbreviation: BTC; sign: ₿) is the first decentralized cryptocurrency. Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger, called a blockchain, without central oversight.
Economics of bitcoin. Bitcoin was designed by its pseudonymous inventor, Satoshi Nakamoto, to work as a currency, but its status as a currency is disputed. [1] Economists define money as a store of value, a medium of exchange and a unit of account, and agree that bitcoin does not currently meet all these criteria.
A cryptocurrency, crypto-currency, or crypto[a] is a digital currency designed to work as a medium of exchange through a computer network that is not reliant on any central authority, such as a government or bank, to uphold or maintain it. [2] It has, from a financial point of view, grown to be its own asset class.
Fink emphasized Bitcoin’s potential as a hedge against currency debasement: “It is a legitimate financial instrument that allows you to have maybe uncorrelated, non-correlated type of returns.”
In practice, this means that if a company bought Bitcoin at $20,000 and it dropped to $15,000, it must announce an impairment—a nasty sounding word—that never goes away, even if Bitcoin shoots ...
Blockchain. A blockchain is a distributed ledger with growing lists of records (blocks) that are securely linked together via cryptographic hashes. [1][2][3][4] Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data (generally represented as a Merkle tree, where data nodes are represented by leaves).
The history of bitcoin started with its invention and implementation by Satoshi Nakamoto, who integrated many existing ideas from the cryptography community. Over the course of bitcoin's history, it has undergone rapid growth to become a significant store of value both on- and offline.
Decentralized finance (often stylized as DeFi) offers financial instruments and operations through smart contracts on a programmable permissionless blockchain, thus minimizing the reliance on intermediaries such as brokerages, exchanges, or banks. [1] DeFi platforms allow people to lend or borrow funds from others, speculate on price movements ...
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