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Digital Currencies
For the past decades, we have to be aware of the internet of advice, when you an email of a funny mean, I'm not actually sending you the original is really sending you a copy of the picture and email content. Like the name indicated, Blockchain is a chain of blocks that contain data.
This technology was originally created in 1991 with a group of investigators and was initially intended to time pinpoint electronic records so it was not possible to backdate them to tamper with them. It went by largely unused until Satoshi Nakamoto in 2009 to make the digital cryptocurrency, the Bitcoin network.
Blockchain is an open source distributed ledger, that has the interesting property that after data has been recorded within a block series it gets very tricky to alter it.
How Can Blockchain work?
Every Block had the following 3 things from them: The Information, The Hash and The Hash on the preceding block.
The Data
Depending on the kind of block series will be dependent on the type of information it's. Bitcoin blockchain, for instance, Shops details about a transaction or contract. Details like the sender, receiver and the number of tokens.
The Hash
The block uses a succession of alphabetical characters to generate a unique mic pertaining to this block's content. Since the block is made, it's simultaneously calculated. Making a switch on the cube will cause the Hash to alter. This is a key component with this technology as creating a change to the data inside the block will cause the hash to modify it will no more be the same block.
This chain effectively creates a chain of cubes and if this sequence what makes this technology so stable.
Proof of Function
This is really a mechanism that slows down the creation of new blocks(Hash Rate), in bitcoins situation it requires roughly about 12 minutes to make an evidence of work and put in a new block into the series But that not all of the security characteristics of a blockchain.
Distributed Ledger
Blockchains use an open source peer to peer network of computers, as opposed to a centralized location. Anybody is allowed to join. In the event someone new joins, they receive a full copy of the block series. Allowing the node to verify to ensure everything in sequence and untampered with the decentralized program.
When someone makes a new block that the Node verifies the cube. This makes sure its hash has not been tampered with. After everything was checked out every node will add it on its own blockchain. Each of the nodes with this blockchain produces a consensus algorithm which considers that all cubes are valid and rejecting the ones which aren't, the block which was tampered with will be rejected by all the nodes in the community. For instance, a bitcoin miner is going to have to affirm the hash of a block along with other miners and each of them will have to share precisely the same hash for the exact same block.
Smart Contracts
This is the point where the world because we know it will change. Smart contracts are easy programs that save on the blockchain. They can be utilized to automatically exchange tokens/services according to their conditions.
This technology has been optimized to take care of medical records, e-notary as well as collecting taxes.
Cheaper Remittance
What is holding back prosperity on 3rd world countries isn't a corporate investment, telecommunications isn't even natural disasters. Its Remittancesthis is the global service that's getting wealthier by the second thanks to hard-working people in overseas nations sending money back home. The industry generates 600 Billion dollars a year and growing as a result of the hard-working people. That is why blockchain tech is so essential. The convenience to download an app on a mobile phone like Abra or even Coinbase and from there send $300 in the palm of the hand. The receiver will almost instantly receive the available money by sending it through Bitcoin. These types of transactions take just minutes and costing just it covers only 2%.
The main issue with the internet and online banking today is we about have our entire lives on the internet. Basically leaving the digital breadcrumbs path behind of photographs shared, emails we've delivered, every payment we had made. All these crumbs of information are collected by providers we now cannot render without like facebook, Instagram, email service provider and other well-known entities that have taken control on creating a digital version of you and this virtual version of you currently might learn more about you which you do since it has a digital proof of everything you've done online and where are you, You might not be able to recall a text that you sent last month or even a photo you shared annually however your digital self does but the big problem is this virtual you're not own by you.
Currently using blockchain system a"black box" containing this virtual you are being developed but this is very stingy with the amount and type of data is shared with others the benefit of the"Black Box" is that is own by you, only you have control of everything and how much information you choose to share with others, for example when buying a car the seller does not even have to know when you're, they simply need to know they got the funds and the smart contract will look after the rest, eventually a true solution to the current danger we're living today with the lack of online privacy.
