Distributed Ledger Technology & Blockchain & Cryptocurrency

Rekt Capital: Bitcoin (BTC) and Crypto Traders May Miss 4,000% Gains – Plus Ethereum, Ripple and XRP Updates

https://dailyhodl.com/2019/11/18/rekt-capital-bitcoin-btc-and-crypto-traders-may-miss-4000-gains-plus-ethereum-ripple-and-xrp-updates/

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Bitcoin [BTC] Nears End of Correction, Targets $10,400 – BitMEX Margin Trading

Read Here - https://coingape.com/bitcoin-btc-nears-end-correction-targets-10400-bitmex-margin-trading/

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⚡‘Plan A Has Failed’ — Global Debt to Hit $255T or $12.1M per Bitcoin⚡

⭐Follow & share 👉 @Crypto_news

🔸url 🔗⬇️
https://cryptocrunchapp.com/news/plan-a-has-faileglobal-debt-to-hit-255t-or-121m-per-bitcoin

DLT & Blockchain & Cryptocurrency

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What is Cryptocurrency ?

What is Cryptocurrency means ?

A cryptocurrency (or crypto currency) is a digital asset designed to work as a medium of exchange that uses strong cryptography to secure financial transactions, control the creation of additional units, and verify the transfer of assets.^[1][2][3] Cryptocurrencies use decentralized control as opposed to centralized digital currency and central banking systems.^[4]

The decentralized control of each cryptocurrency works through distributed ledger technology, typically a blockchain, that serves as a public financial transaction database.^[5]

Bitcoin, first released as open-source software in 2009, is generally considered the first decentralized cryptocurrency.^[6] Since the release of bitcoin, over 6,000 altcoins (alternative variants of bitcoin, or other cryptocurrencies) have been created.

( Source : https://en.wikipedia.org/wiki/Cryptocurrency )

• crypto currency

Etymology[edit]

crypto- +‎ currency

Noun[edit]

cryptocurrency (countable and uncountable, plural cryptocurrencies)

1. A digital currency based on a cryptographic system.

   Bitcoin was the first decentralized cryptocurrency.

   
   

   
   

#DistributedLedgerTechnology

#BlockChain

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What is Blockchain ?

What is Blockchain means ?

A blockchain,^[1][2][3] originally block chain,^[4][5] is a growing list of records, called blocks, that are linked using cryptography.^[1][6] Each block contains a cryptographic hash of the previous block,^[6] a timestamp, and transaction data (generally represented as a Merkle tree).

By design, a blockchain is resistant to modification of the data. It is "an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way".^[7] For use as a distributed ledger, a blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for inter-node communication and validating new blocks. Once recorded, the data in any given block cannot be altered retroactively without alteration of all subsequent blocks, which requires consensus of the network majority. Although blockchain records are not unalterable, blockchains may be considered secure by design and exemplify a distributed computing system with high Byzantine fault tolerance. Decentralized consensus has therefore been claimed with a blockchain.^[8]

Blockchain was invented by a person (or group of people) using the name Satoshi Nakamoto in 2008 to serve as the public transaction ledger of the cryptocurrency bitcoin.^[1] The identity of Satoshi Nakamoto is unknown. The invention of the blockchain for bitcoin made it the first digital currency to solve the double-spending problem without the need of a trusted authority or central server. The bitcoin design has inspired other applications,^[1][3] and blockchains that are readable by the public are widely used by cryptocurrencies. Blockchain is considered a type of payment rail.^[9] Private blockchains have been proposed for business use. Sources such as Computerworld called the marketing of such blockchains without a proper security model "snake oil".^[10]

( Source : https://en.wikipedia.org/wiki/Blockchain )

The simplest blockchain definition? A reliable, difficult-to-hack record of transactions – and of who owns what. Blockchain is based on distributed ledger technology, which securely records information across a peer-to-peer network. Although it was originally created for trading Bitcoin, blockchain’s potential reaches far beyond cryptocurrency. Blockchain ledgers can include land titles, loans, identities, logistics manifests – almost anything of value.

( Source : https://www.sap.com/sea/products/leonardo/blockchain/what-is-blockchain.html )

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#BlockChain

#CryptoCurrency

What is Distributed Ledger Technology ?

What is Distributed Ledger Technology means ?

A distributed ledger (also called a shared ledger or distributed ledger technology or DLT) is a consensus of replicated, shared, and synchronized digital data geographically spread across multiple sites, countries, or institutions.^[1] There is no central administrator or centralized data storage.^[2]

A peer-to-peer network is required as well as consensus algorithms to ensure replication across nodes is undertaken.^[2] One form of distributed ledger design is the blockchain system, which can be either public or private.

Distributed Ledger[edit]

The distributed ledger database is spread across several nodes (devices) on a peer-to-peer network, where each replicates and saves an identical copy of the ledger and updates itself independently. The primary advantage is the lack of central authority. When a ledger update happens, each node constructs the new transaction, and then the nodes vote by consensus algorithm on which copy is correct. Once a consensus has been determined, all the other nodes update themselves with the new, correct copy of the ledger. ^[3][4] Security is accomplished through cryptographic keys and signatures. ^[5][6][7]

( Source : https://en.wikipedia.org/wiki/Distributed_ledger )

Blockchain is one type of a distributed ledger. Distributed ledgers use independent computers (referred to as nodes) to record, share and synchronize transactions in their respective electronic ledgers (instead of keeping data centralized as in a traditional ledger). Blockchain organizes data into blocks, which are chained together in an append only mode.

• Blockchain/ DLT are the building block of “internet of value,” and enable recording of interactions and transfer “value” peer-to-peer, without a need for a centrally coordinating entity. “Value” refers to any record of ownership of asset -- for example, money, securities, land titles -- and also ownership of specific information like identity, health information and other personal data.

Distributed ledger technology (DLT) could fundamentally change the financial sector, making it more efficient, resilient and reliable.

• This could address persistent challenges in the financial sector and change roles of financial sector stakeholders. DLT has the potential to transform various other sectors as well, like manufacturing, government financial management systems and clean energy.
• Since this technology is still nascent, the World Bank Group doesn’t have general recommendations about its use for international development.  We are in dialogue with standard-setting bodies, governments, central banks and other stakeholders to monitor, research and pilot applications based on blockchain and DLT.
• However, waiting for “perfect” DLT solutions could mean missing an opportunity to help shape it. To understand how DLT can address challenges in the financial sector requires both research and real-life applications and pilots.
• It also requires resolving consumer protection issues, financial integrity concerns, speed of transactions, environmental footprint, legal, regulatory and technological issues that arise with the advent of new technology.
• DLT applications will likely be incremental, and will likely first replace processes and activities that are still manual and inefficient. (Such as reference data maintenance in payment and settlement systems, trade finance, syndicated loans, and tracking provenance of agricultural products and commodities, their subsequent sale or use as financing collateral.) 
• Eventually, DLT could increase efficiency and lower remittance costs, and potentially improve access to finance for unbanked populations, who are currently outside the traditional financial system. 

( Source : https://www.worldbank.org/en/topic/financialsector/brief/blockchain-dlt )


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