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What is a blockchain? tonsamith 41 المشاهدات • منذ 4 سنوات

What Is a Blockchain?
A blockchain is a distributed database that is shared among the nodes of a computer network. As a database, a blockchain stores information electronically in digital format. Blockchains are best known for their crucial role in cryptocurrency systems, such as Bitcoin, for maintaining a secure and decentralized record of transactions. The innovation with a blockchain is that it guarantees the fidelity and security of a record of data and generates trust without the need for a trusted third party.

One key difference between a typical database and a blockchain is how the data is structured. A blockchain collects information together in groups, known as blocks, that hold sets of information. Blocks have certain storage capacities and, when filled, are closed and linked to the previously filled block, forming a chain of data known as the blockchain. All new information that follows that freshly added block is compiled into a newly formed block that will then also be added to the chain once filled.

A database usually structures its data into tables, whereas a blockchain, like its name implies, structures its data into chunks (blocks) that are strung together. This data structure inherently makes an irreversible timeline of data when implemented in a decentralized nature. When a block is filled, it is set in stone and becomes a part of this timeline. Each block in the chain is given an exact time stamp when it is added to the chain.

Article by: ADAM HAYES
Source: investopedia.com
Created by: Ton Samith

___________ Educational Tutorials _____________

Camvito168 is a WordPress educational tutorial expertise that is dedicated to providing exceptional videos for free.

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Welcome to Camvito 168. I am Samith Ton, the channel owner, who created this channel to share what the technology can connect us to the world.

Technology affects almost every aspect of 21st century life, from transport efficiency and safety, to access to food and healthcare, socialization and productivity. The power of the internet has enabled global communities to form ideas and resources to be shared more easily.

In this channel, videos would be posted every two days at 5:00 AM. It is believed that the technology can enable us to learn and share what matters to the 21st century life. You will learn how the technology can create interactive innovations and modern tools to ease people's communication.

Camvito 168 presents you with the following technology ideas:
1. Web Technology
2. Transportation Technology
3. Natural Rare Material Technology
4. Telecommunication Technology
5. Social Media Technology
6. Computer Technology

Visit www.camvito.com to learn more about the WordPress technical solutions.

_____________Disclaimer__________________
Producer: Ton Samith
Editor: Ton Samith
Channel: Camvito 168
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One Direction - Story of My Life PlayTubeCANALGRATIS 96 المشاهدات • منذ 2 سنوات

One Direction – Story Of My Life (Official Video)
Follow on Spotify - https://1D.lnk.to/Spotify
Listen on Apple Music - https://1D.lnk.to/AppleMusic
Listen on Amazon Music - https://1D.lnk.to/AmazonMusic
Listen on Deezer - https://1D.lnk.to/Deezer
Listen on YouTube Music - https://smarturl.it/OneDirection_YTMusic

Check out One Direction’s 10 Year Anniversary website here:
https://1D.lnk.to/10YearsOf1DWebsite

WATCH WHAT MAKES YOU BEAUTIFUL MUSIC VIDEO ► https://smarturl.it/1D_WMYB
WATCH DRAG ME DOWN MUSIC VIDEO ► https://smarturl.it/OneDirection_DMD
WATCH HISTORY MUSIC VIDEO ► https://smarturl.it/OneDirection_H
WATCH STEAL MY GIRL MUSIC VIDEO ► https://smarturl.it/OneDirection_SMG
WATCH BEST SONG EVER MUSIC VIDEO ► https://smarturl.it/OneDirection_BSE
WATCH YOU & I MUSIC VIDEO ► https://smarturl.it/OneDirection_Y_and_I

Subscribe to the One Direction YouTube channel - https://smarturl.it/OneDirection_YT_Sub

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Lyrics

Written in these walls are the stories that I can't explain
I leave my heart open but it stays right here empty for days
She told me in the morning
She don't feel the same about us in her bones
It seems to me that when I die
These words will be written on my stone
And I'll be gone, gone tonight
The ground beneath my feet is open wide
The way that I been holdin' on too tight
With nothing in between
The story of my life, I take her home
I drive all night to keep her warm and time
Is frozen (the story of, the story of, the story of)
The story of my life, I give her hope
I spend her love until she's broke inside
The story of my life (the story of, the story of)
Written on these walls are
The colors that I can't change
Leave my heart open
But it stays right here in its cage
I know that in the morning now
I see us in the light upon a hill
Although I am broken, my heart is untamed, still
And I'll be gone, gone tonight
The fire beneath my feet is burning bright
The way that I've been holdin' on so tight
With nothing in between
The story of my life, I'll take her home
I drive all night to keep her warm and time
Is frozen (the story of, the story of)
The story of my life, I give her hope
I spend her love until she's broke inside
The story of my life (the story of, the story of)
And I've been waiting for this time to come around
But, baby, running after you is like chasing the clouds
The story of my life
I take her home
I drive all night
To keep her warm and time
Is frozen
The story of my life, I give her hope (give her hope)
I spend her love until she's broken inside
The story of my life (the story of, the story of)
The story of my life
The story of my life (the story of, the story of)
The story of my life

#onedirection #storyofmylife #10yearsof1d #onedirectionofficial #1d #onedirectionstoryofmylife #onedirectionofficialvideo #storyofmylifeofficialvideo

GPS कैसे काम करता है, what is GPS and how it works nkc3661 79 المشاهدات • منذ 7 سنوات

नमस्कार दोस्तो आप सभी का स्वागत है रहस्य TV (rhsya tv) मे अौर मै हुं kuldeep singh yadav
इस चैनल को start करने का उद्देश्य विज्ञान जगत अौर हमारी day to day लाइफ से जुडे रहस्यो से आप सभी को अवगत करवाना है
अौर सभी रहस्यो से जुडे आपके सवालो का जवाब देना है
बस आप लोग अपना प्यार अौर सहयोग यू ही बनाये रखना
“लोगो का टाइम आता हेै अपना पूरा दौर आयेगा”
याद रखना लाइफ मे जितने लम्बे समय तक असफलताये आती है सफलता उतनी ही बडी होगी
ना रुकना है ना भागना है बस चलते रहना है मंजिल खुद चलकर आपके पास आयेगी
have a nice day
भगवान करे आपका दिन शुभ हो
kuldeep singh yadav

contact email- kuldeepk8540@gmail.com
#GPS #howgpsworks #gpsprocess #gpsworkingprocess #gpsnavigation #navigation #gps #gpstrack #gpsmechanism
#kuldeepsinghyadav #रहस्यTV

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"At Rest" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
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मै इस चैनल पर स्पेस और स्पेस से रिलेटेड सारी इन्फॉर्मेशन के वीडियो अपलोड करता रहता हूँ जैसे कि :-
rocket , home rocket, nasa ,isro , space x, space science , space technology, falcone rocket, falcon 9, nasa rocket launch, space exploration technology , elone musk, elon, rocket space, rocket science , etc..........so please subscribe our channel for more update about space and rocket science

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Paulsava [CC BY-SA 4.0 (https://goo.gl/eMnV9n)], from Wikimedia Commons
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Sanjay Acharya [CC BY-SA 4.0 (https://goo.gl/d8tvGC)], from Wikimedia Commons
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Isro
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जब भी आप किसी अनजान जगह पर जाते हैं तो अपनी location को track करने के लिए और अपनी मंजिल तक पहुंचने के लिए GPS का use जरूर करते होंगे। लेकिन क्या आपने कभी सोचा है की जीपीएस में ऐसा क्या होता है जो कुछ ही सेकंड में आप की लोकेशन को ट्रैक कर सकता है ? आखिर एक ऑब्जेक्ट की लोकेशन को ट्रैक करने के लिए यह पूरा जीपीएस सिस्टम किस तरह से काम करता है ?
जीपीएस का पूरा नाम global positioning system है। जिसे Navstar भी कहा जाता है । GPS ,एक satellite based radio nevigation system है । जिसे यूएस गवर्नमेंट के द्वारा military purpose के लिए 1973 में एक प्रोजेक्ट के रूप में लॉन्च किया गया था । 1995 में पहली बार जीपीएस को आम पब्लिक के लिए ओपन किया गया ,लेकिन उस वक्त इसकी accuracy अौर quality इतनी परफेक्ट नहीं थी। सन 2000 तक यूएस गवर्नमेंट ने GPS सर्विस को बेहतर बनाने के लिए अनेक प्रयास कीये ,जिसकी वजह से सन 2000 से GPS system पूरी दुनिया में ठीक तरह से काम करने लगा
Whenever you go to an unknown place, you must use GPS to track your location and to reach your destination. But have you ever wondered what happens in a GPS that can track your location in a few seconds? After all, how does this complete GPS system work to track the location of an object?
The full name of the GPS is the global positioning system. Which is also called Navstar. GPS is a satellite based radio nevigation system. Which was launched in 1973 as a project for military purpose by the US government. For the first time in 1995 GPS was opened to the general public, but its accuracy and quality were not so perfect at the time. By 2000, the US government made several attempts to improve the GPS service, due to which the GPS system since 2000 started working in the whole world.

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