What is blockchain? What is blockchain? What does blockchain do?-web3.0-php.cn

Home

web3.0

What is blockchain? What is blockchain? What does blockchain do?

PHPz

Aug 01, 2024 pm 06:01 PM

BlockchainBitcoincryptocurrency

Blockchain is a decentralized and non-tamperable data ledger used to record transactions and asset ownership. Its main features include: Decentralization: distributed in a computer network and does not rely on a central authority. Immutable: Once a transaction is added, it cannot be changed unless approved by a majority of nodes. Transparency: All transactions are publicly visible and can be audited at any time. Security: Use encryption technology to protect data from tampering and hacking.

What is blockchain? What is blockchain? What does blockchain do?

Blockchain: Decentralized Data Ledger

Blockchain is a decentralized and immutable data ledger used to record transactions and ownership of assets. It consists of a set of interconnected blocks, each of which contains a set of transaction records.

Main features of blockchain:

Decentralization: Blockchain does not rely on any central authority or single point of failure, and transaction records are distributed across a computer network.
Immutable: Once a transaction is added to the blockchain, it cannot be changed or deleted except by obtaining the consent of a majority of nodes in the network.
Transparency: Every transaction on the blockchain is publicly visible and can be audited at any time.
Security: Blockchain uses encryption technology to protect data from tampering and hacking.

Uses of Blockchain:

Blockchain was originally developed as the technology behind cryptocurrencies such as Bitcoin. However, it is now used in a wide range of applications, including:

Finance: Payment processing, asset management, lending and supply chain finance.
Supply Chain Management: Track goods, verify product origin and optimize logistics.
Healthcare: Manage patient records, conduct drug trials and track medical supplies.
Government: Electronic voting, land registration and identity verification.
ARTS & ENTERTAINMENT: Verify the authenticity and ownership of digital assets.

The above is the detailed content of What is blockchain? What is blockchain? What does blockchain do?. For more information, please follow other related articles on the PHP Chinese website!

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Brandon, son of the US Secretary of Commerce, joined forces with Tether, SoftBank and Bitfinex to establish 21 Capital! Inject BitcoinMay 15, 2025 am 09:36 AM

The Financial Times reported that 21 Capital, a new venture capital company led by Brandon, son of U.S. Secretary of Commerce Howard Lutnick, is forming a strategic alliance with Tether, SoftBank and Bitfinex to build a listing carrier with Bitcoin as its core asset and a scale of up to $3 billion, challenging the leadership of micro-strategy. Brandon, son of the US Secretary of Commerce, joined forces with Tether, SoftBank and Bitfinex to establish 21 Capital! Injecting Bitcoin to challenge the micro-strategy three giants to invest $3 billion to enter Bitcoin and create a new one

One article to learn about Solana's ecological star BoopDotFun attracted attention after one day of launch! Platform token BOOP once rushed to the $500 million marketMay 15, 2025 am 09:33 AM

The Meme coin craze swept the crypto market, and the Solana ecosystem has recently produced another dazzling star, "BoopDotFun". Launched by well-known NFT collector @dingalingts, it not only attracted widespread attention in just one day of its launch, but its platform token $BOOP once reached a market value of US$500 million. This article will deeply analyze the operating mechanism, user participation strategies of BoopDotFun, and its competitive positioning among many launch platforms. What is BoopDotFun? Meme launch on Solana "Alchemy Field" BoopDotFun is a Meme launch on Solana

Learn about Janover announced the rename of DeFi Development in one article! And buy $11.5 million SOLMay 15, 2025 am 09:30 AM

US real estate fintech company Janover (NASDAQ: JNVR) announced on Tuesday that it will officially rename it "DeFiDevelopment Corp." and increase its purchase of Solana native token SOL worth $11.5 million. According to the official statement, after the increase, the company's SOL holdings reached 251,842 (including pledge rewards), worth approximately US$36.5 million. This move is part of the company's comprehensive promotion of its "cryptocurrency financial strategy" to become the first listed company in the United States to use Solana as its core asset. The company also announced that it will change the stock code to "DFSV" in the future to reflect its new positioning. Although JNVR shares fell 2.5% on Tuesday,

Why BDAG, SOL, XRP and HYPE are the most worth buying cryptocurrencies in 2025!May 15, 2025 am 09:27 AM

As the cryptocurrency market heats up in 2025, investors no longer pursue stability, they are eager for huge returns. The most worth investing in cryptocurrencies in this cycle are those with real innovation, solid institutional support and a huge upward momentum. Among them, four cryptocurrencies are particularly prominent: Solana (SOL), Ripple's XRP, Hyperliquid (HYPE), and BlockDAG (BDAG), which is popular in pre-sales. Not only do these cryptocurrencies become famous, they also have strong fundamentals and a growing user base. Solana is winning

Bitcoin (BTC) supply metric is close to 90%, analysts: Target price of $115,000May 15, 2025 am 09:24 AM

Key points: Bitcoin earnings supply has rebounded to more than 85%, approaching the classic fanatic area. On-chain data shows that new buyers and momentum buyers have accumulated strongly, with little profit settlement. Bitcoin may launch a rebound to $110,000–115,000 with the help of the “maximum buy” area. Bitcoin is heading towards a potential new all-time high of $115,000, with a surge in earnings supply indicating a stronger bullish momentum and creating a classic layout for market craze. Profit supply is close to 87% according to data from on-chain data resource CryptoQuant, as of April 28, about

The ETH/BTC ratio rose by 30% in three days! Ethereum price once exceeded US$2,600 IntroductionMay 15, 2025 am 09:21 AM

Ethereum (ETH) showed strong upward momentum beyond Bitcoin this week. This morning, after Trump announced significant progress in trade talks with China, ETH once exceeded $2,600, and was now at $2,544 before press time, up nearly 8% in the past 24 hours, rekindling short-term optimism in the market. Comments that are optimistic about Ethereum's return to Honor appear for a longer period of time, Ethereum's growth in the past month has exceeded an astonishing 80%. Analyst @ali_charts believes that ETH's strong breakthrough in key chip areas may indicate the start of a new round of upward trend. Investors are paying close attention to whether ETH can stand firm at the 200-day moving average (EMA)

Trump analyzed: The US-China trade talks have made significant progress! Bitcoin price hits $105,000May 15, 2025 am 09:18 AM

Senior leaders of the United States and China began to hold key trade talks in Geneva, Switzerland yesterday (10). After the first day of the meeting, US President Trump issued a statement at Truthsocial at around 7 a.m. this morning saying that the two sides have made "significant progress." "I held a very good meeting with China in Switzerland today. A lot of things were discussed and a lot of consensus was reached. A new adjustment plan was negotiated in a friendly but constructive way. For the interests of China and the United States, we hope to see China open up to American companies. Great progress has been made!!!" The Geneva talks sent a positive signal, and the prospects remain variable. This highly anticipated talks are from

Is the peak season for altcoin really coming? Some analysts predict that 40% per day will become the normMay 15, 2025 am 09:15 AM

The altcoin market is flashing with signals of breaking through trends, and some analysts predict that altcoin may soar in the coming months. He posted a chart on the BlockchainCenter.net website on May 11, which shows whether the cryptocurrency market favors Bitcoin or aligned coins. When the index is below 25, it is considered a "Bitcoin peak season", which means that Bitcoin performs better than most altcoins; when the index is above 75, it is a "Atcoin peak season", which means that the altcoin performance is better than Bitcoin. Currently, this chart shows that Bitcoin has made a breakthrough from a downward trend of slightly below 29, which means that the market atmosphere may be compared