Zajímá vás, co je to blockchain? Jak tato revoluční technologie funguje? K čemu může být blockchain užitečný? Jaké jsou jeho výhody a využití? Dozvít...
Blockchain (z angl. „blokový řetězec“ [pozn. 2 ]) je v informatice speciální druh distribuované decentralizované databáze uchovávající neustále se rozšiřující počet záznamů, které jsou chráněny proti neoprávněnému zásahu jak z vnější strany…
Blockchain is a shared, immutable digital ledger, enabling the recording of transactions and the tracking of assets within a business network and providing a single source of truth.
Blockchain.com (formerly Blockchain.info) is a cryptocurrency financial services company. The company began as the first Bitcoin blockchain explorer in 2011 and later created a cryptocurrency wallet that accounted for 28% of bitcoin…
Founded in 2019 by OpenAI chief executive Sam Altman, Max Novendstern, and Alex Blania, it has accumulated $250 million in funding from venture capital firms Andreessen Horowitz and Khosla Ventures, as well as from Reid Hoffman. [3 ] [4…
19. 2. 2018Jak funguje blockchain a co to je? Tyto otázky s rozmachem bitcoinu a dalších kryptoměn nabývají na důležitosti. Čtěte informace o novátorské technologii, která slouží i jako takzvaná wallet.
13. 6. 2014A blockchain is a digitally distributed, decentralized, public ledger that exists across a network. It is most noteworthy in its use with cryptocurrencies and NFTs.
What Exactly Is a Blockchain?Simply put, a blockchain is a shared database or ledger. Bits of data are stored in files known as blocks, and each network node has a replica of the entire database. Security is ensured since the majority of nodes will not accept a change if someone tries to edit or delete an entry in one copy of the ledger.What Is a Blockchain in Easy Terms?Imagine you typed some information into a document on your computer and sent it through a program that gave you a string of numbers and letters (called hashing, with the string called a hash). You add this hash to the beginning of another document and type information into it. Again, you use the program to create a hash, which you add to the following document. Each hash is a representation of the previous document, which creates a chain of encoded documents that cannot be altered without changing the hash. Each document is stored on computers in a network. This network of programs compares each document with the ones they have stored and accepts them as valid based on the hashes they generate. If a document doesn't generate a hash that is a match, that document is rejected by the network.What Is a Blockchain for Beginners?A blockchain is a distributed network of files chained together using programs that create hashes, or strings of numbers and letters that represent the information contained in the files. Every network participant is a computer or device that compares these hashes to the one they generate. If there is a match, the file is kept. If there isn't, the file is rejected.
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Blockchain isn't just about Bitcoin. The encryption technology has applications in industries all around you, from finance to healthcare. CNET breaks it down so you don't have to.