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2. Blockchain - Wikipedia

   en.wikipedia.org/wiki/Blockchain

   Blockchain technology can be used to create a permanent, public, transparent ledger system for compiling data on sales, tracking digital use and payments to content creators, such as wireless users [125] or musicians. [126]

3. Blockchain-based database - Wikipedia

   en.wikipedia.org/wiki/Blockchain-based_database

   To overcome these shortcomings, taking a traditional database and adding blockchain features to it sounds more feasible. [6] That's how the concept of blockchain-based database came into existence, which consists of multiple member clouds riding on two primary layers; the first one is Database Interface and the second one is the Blockchain ...

4. Cryptocurrency - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency

   A blockchain is "an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way". [63] For use as a distributed ledger, a blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for validating new blocks. Once recorded, the data in any given ...

5. Privacy and blockchain - Wikipedia

   en.wikipedia.org/wiki/Privacy_and_blockchain

   Blockchain has been acknowledged as a way to solve fair information practices, a set of principles relating to privacy practices and concerns for users. [5] Blockchain transactions allow users to control their data through private and public keys, allowing them to own it. [5] Third-party intermediaries are not allowed to misuse and obtain data. [5]

6. Decentralized finance - Wikipedia

   en.wikipedia.org/wiki/Decentralized_finance

   They emerged within decentralized finance (DeFi), [3] a sector of blockchain technology and fintech. [6] Centralized exchanges (CEXs), DEXs and DEX aggregators are all built on a multi-layered DeFi architecture, with each layer serving a well-defined purpose. [3] (See Figure: Multi-layered Architecture of the DeFi Stack).

7. 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.