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2. Unspent transaction output - Wikipedia

   en.wikipedia.org/wiki/Unspent_transaction_output

   Unspent transaction output. In cryptocurrencies, an unspent transaction output (UTXO) is a distinctive element in a subset of digital currency models. A UTXO represents a certain amount of cryptocurrency that has been authorized by a sender and is available to be spent by a recipient. The utilization of UTXOs in transaction processes is a key ...

3. Diem (digital currency) - Wikipedia

   en.wikipedia.org/wiki/Diem_(digital_currency)

   diem.com. Diem (formerly known as Libra) was a permissioned blockchain -based stablecoin payment system proposed by the American social media company Facebook. The plan also included a private currency implemented as a cryptocurrency. The launch was originally planned to be in 2020, [3][4] but only rudimentary experimental code was released.

4. Polkadot (blockchain platform) - Wikipedia

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

   Polkadot (blockchain platform) Polkadot is a blockchain platform. The native cryptocurrency for the Polkadot blockchain is the DOT. [1] It is designed to allow blockchains to exchange messages and perform transactions with each other without a trusted third-party. This allows for cross-chain transfers of data or assets, between different ...

5. Cryptocurrency - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency

   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, in a financial point of view, grown to be its own asset class.

6. Ripple (payment protocol) - Wikipedia

   en.wikipedia.org/wiki/Ripple_(payment_protocol)

   Ripple is a real-time gross settlement system, currency exchange and remittance network that is open to financial institutions worldwide and was created by Ripple Labs Inc., a US-based technology company. Released in 2012, Ripple is built upon a distributed open source protocol, and supports tokens representing fiat currency, cryptocurrency ...

7. Symmetric-key algorithm - Wikipedia

   en.wikipedia.org/wiki/Symmetric-key_algorithm

   Symmetric-key algorithm. Symmetric-key algorithms[a] are algorithms for cryptography that use the same cryptographic keys for both the encryption of plaintext and the decryption of ciphertext. The keys may be identical, or there may be a simple transformation to go between the two keys. [1] The keys, in practice, represent a shared secret ...

8. 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 ...

9. Cryptocurrency bubble - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency_bubble

   Cryptocurrency bubble. Bitcoin price daily. Ethereum price daily. A cryptocurrency bubble is a phenomenon where the market increasingly considers the going price of cryptocurrency assets to be inflated against their hypothetical value. The history of cryptocurrency has been marked by several speculative bubbles.