What Is Blockchain

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What Is Blockchain

Q

What Is Blockchain?

✍: FYIcenter.com

A

A blockchain is a growing list of data blocks that are cryptographically chained together.

A blockchain has the following main features:

A data block has a header and a list of data transactions.
Merkle hash tree is used to store a fingerprint of all transactions in the block header.
Fingerprint of the previous block is stored in next block header to form a block chain.
The block chain is distributed and maintained by multiple systems to form a blockchain network.

What Is Blockchain

⇒ What Is Distributed Ledger

⇐ What Is Hyperledger

⇑ Introduction to Hyperledger

⇑⇑ Hyperledger Tutorials

2022-03-29, ∼1389🔥, 0💬

Start Hyperledger Composer Playground
How to Start the Hyperledger Composer Playground? You can follow this tutorial to start the Hyperledger Composer Playground. 1. Run Web browser and go to: composer-playground.mybluemix. net. You see the welcome page. 2. Click on "Let's Blockchain!". You see the playground home page. 3. Now you can s... 2021-12-28, ∼2275🔥, 0💬

What Is Smart Contract
What Is Smart Contract? Smart Contract was originally introduced by Nick Szabo to digitally facilitate, verify, or enforce the negotiation or performance of a contract between parties. Today, smart contract is used to represent any executable code deployed in a distributed ledger application. The di... 2022-02-19, ∼1993🔥, 0💬

Azure AD B2C "id_token" from Google
Where to find an Azure AD B2C "id_token" example from Google as an external identity provider? Here is an Azure AD B2C "id_token" example from Google as an external identity provider: Header: { "typ": "JWT", "alg": "RS256", "kid": "X5eXk4xyojNFum1kl2Ytv8dlNP4-c 57dO6QGTVBwaNk"} Claims: { "exp": 1547... 2019-04-11, ∼1952🔥, 0💬

What Is Distributed Ledger
What Is distributed ledger? A distributed ledger, also called Distributed Ledger Technology (DLT), is a consensus of replicated, shared, and synchronized data storage based the blockchain technology. The Distributed Ledger Technology can be used to change the way we do business today in many areas. ... 2023-03-28, ∼1797🔥, 0💬

Azure AD Integration v1.0
Where to find tutorials on Azure AD Integration v1.0? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Azure AD Integration v1.0. Authentication Flows with Azure AD v1 Azure AD v1 OpenID Metadata Document Azure AD v1 Sign-On Authentication Reque... 2019-02-18, ∼1763🔥, 0💬

What Is Hyperledger
What Is Hyperledger? Hyperledger is an open source project for developing blockchain-based application frameworks and tools. Currently, Hyperledger is working on the following frameworks: Hyperledger Burrow v.0.21.0, 2019 - Hyperledger Burrow is a blockchain client including a built-to-specification... 2019-04-19, ∼1724🔥, 0💬

Hyperledger Composer Playground
Where to find tutorials on Hyperledger Composer Playground. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Hyperledger Composer Playground. What Is Hyperledger Composer Playground Start Hyperledger Composer Playground What Is Basic Sample Busi... 2019-04-13, ∼1524🔥, 0💬

What Is Hyperledger Composer Playground
What Is Hyperledger Composer Playground? Hyperledger Composer Playground is a Web browser based tool that allows you to build and test your hyperledger application quickly. Hyperledger Composer Playground is part of the Hyperledger Composer tool set, which is designed to help you to build and test a... 2021-12-28, ∼1399🔥, 0💬

What Is Blockchain
What Is Blockchain? A blockchain is a growing list of data blocks that are cryptographically chained together. A blockchain has the following main features: A data block has a header and a list of data transactions. Merkle hash tree is used to store a fingerprint of all transactions in the block hea... 2022-03-29, ∼1390🔥, 0💬

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