Ethereum blockchain 101
- Andamento bitcoin grafico
- 29.09.2021
- 5
How do I access Ethereum? There are many ways you can plug into the ethereum network, one of the easiest ways is to use its native Mist browser. Like web browsers give access and help people navigate the internet, Mist provides a portal into the world of decentralized blockchain applications.
There is also the MetaMask browser extension, which turns Google Chrome into an ethereum browser. MetaMask allows anyone to easily run or develop decentralized applications from their browser. Even people without a technical background can now potentially build blockchain apps. This is a revolutionary leap for blockchain technology that could bring decentralized applications into the mainstream.
What apps are currently being developed on Ethereum? The ethereum platform is being used to create applications across a broad range of services and industries. Here are a few exciting projects. Weifund provides an open platform for crowdfunding campaigns that leverages smart contracts.
It enables contributions to be turned into contractually backed digital assets that can be used, traded or sold within the Ethereum ecosystem. Uport provides users with a secure and convenient way to take complete control of their identity and personal information. Instead of relying on government institutions and surrendering their identities to third parties, users control who can access and use their data and personal information. BlockApps is looking to provide the easiest way for enterprises to build, manage and deploy blockchain applications.
From the proof of concept to full production systems and integration with legacy systems, Blockapps provides all the tools necessary to create private, semi-private and public industry-specific blockchain applications. Provenance is using ethereum to make opaque supply chains more transparent.
Predictions on future real-world events, like who will win the next US election, are carried out by trading virtual shares. If a person buys shares in a winning prediction, they receive monetary rewards. Well in , something bad happened. The DAO was a project developed and programmed by a team behind another startup called Slock. Their aim was to build a humanless venture capital firm that would allow investors to make decisions through smart contracts. While the attack was made possible by a technical flaw in The DAO software, not the ethereum platform itself, the developers and founders of ethereum were forced to deal with the mess.
The hard fork moved the stolen funds to a new smart contract designed to let the original owners withdraw their tokens. But this is where things get complicated. The implications of this decision are controversial and the topic of intense debate. By executing a hard fork and rewriting the rules by which the blockchain executes, ethereum set a dangerous precedent that goes against the very essence of blockchain. While another less aggressive soft fork solution was put forth, the ethereum community and its founders were placed in a perilous position.
On the other hand, recovering investor money required actions that went against the core ideals of decentralization and set a dangerous precedent. But not everyone agreed with this course of action. This resulted in a split where two parallel blockchains now exist. For those members who strongly disagree with any changes to the blockchain even when hacking occurs there is Ethereum classic.
For the majority who agreed to rewrite a small part of the blockchain and return the stolen money to their owners, there is ethereum. Both ethereum blockchains have the same features and are identical in every way up to a certain block where the hard-fork was implemented. This means that everything that happened on Ethereum up until the hard-fork is still valid on the Ethereum Classic.
From the block where the hard fork or change in code was executed onwards, the two ethereum blockchains act individually. Despite the fallout from The DAO hack, ethereum is moving forward and looking to a bright future. By providing a user-friendly platform that enables people to harness the power of blockchain technology, ethereum is speeding up the decentralization of the world economy.
Decentralized applications have the potential to profoundly disrupt hundreds of industries including finance , real estate, academia, insurance, healthcare and the public sector amongst many others. Most significant companies will run business processes on their private blockchains. Private blockchains: Within two years, major companies will conduct several business processes on their own private, permissioned corporate blockchains.
Consortia blockchains: In two years, many companies will have started to build bottom-up consortia blockchains with a small number of counterparties in their ecosystem collaborating on a small number of use cases to share trusted source-of-truth infrastructure, supply or value chains. What it is, the difference between ethereum and ether, what it can do for you, all of that stuff. Molly Wood: Yeah, the reason that we have chosen to talk about ethereum specifically is that it is more than a cryptocurrency.
In fact, this was made evident recently when a group called constitution DOA tried to buy the, a copy of the Constitution, was raising money in ether. Matt, welcome to the show. Matt Leising: Thank you very much for having me. Molly Wood: What did we get right and what did we get wrong there in the beginning? Matt Leising: That was spot on. Molly Wood: Okay, great. Can you explain ethereum and where it came from as sort of a, you know, an alternative to Bitcoin?
Matt Leising: The way I like to do this is first just a little bit about Bitcoin. So the great thing about Bitcoin was that for the first time in human history, we had basically a global payments system where you could send value between two people anywhere in the world and no one could stop you, no government, no bank, and no bank was necessary to do this. So that was the Bitcoin revolution. So the inventor of ethereum is named Vitalik Buterin. He was 19 when he created ethereum.
And he did that because he loved Bitcoin. So after kicking the tires on Bitcoin for a while, he decided that he had to kind of make his own new paradigm. But instead of just being able to send value from person A to person B, Vitalik built it so that you could put basically computer programs on top of that blockchain that you can interact with, where it almost becomes the sky is the limit for what your imagination can come up with.
And then you can write that in code and put it out into the blockchain on some, in something called a smart contract. Kai Ryssdal: Well, so just for, to keep it , right, could you tell us the difference between ethereum and ether? Because until an embarrassingly short time ago, I got confused about the two. But if you think about it as a global computer, and you want a big like, you want to make transactions within this global computer, there has to be a cost to do that, right?
Otherwise, people would spam the computer, it would just get overrun. So the breakthrough that Vitalik had was that there has to be some mechanism for paying for these transactions. So ether is called gas, and you have to pay an amount of ether anytime you want to interact with the ethereum blockchain. So if you want to deploy a smart contract on ethereum, you have to pay gas to have it taken and accepted by the network. If you want to interact with that smart contract, you have to pay ether to have that transaction accepted by miners and then processed and validated by the mining network.
Molly Wood: So ethereum is the razor and then ether is the blades. Matt Leising: Yeah, yeah. Kai Ryssdal: Okay, so smart contracts. This seems to be the differentiator, right? And so, again, doing ethereum , smart contracts, what are they, how do they work? All of those variables would be encoded in the smart contract. Those are, those are digital files. There are only of them that are printed, and they can also be converted into an NFT on the blockchain.
And what Vitalik really unlocked was, he kind of gave the world a canvas and said, here, go paint on it, do whatever you want. Molly Wood: Which I think is partly what makes it so hard to understand, in some ways, right? But is that a real thing? We just talked about them in the context of NFTs. Matt Leising: What it really does is allow for the possibility that the middleman gets eliminated from the equation.
So a good example is, you know, startups need to raise money to create their company and to hire people to develop their product. Those are both very intense processes. And, you know, the bank can say no to you. Do you want to buy it directly from me? So that, to me, is a great example of how this technology is reshaping something that is very common in the financial world. And there have been a lot of cases that the SEC is bringing about this because, you know, that might be seen as a security offering.
So the regulation is still being figured out. If you have a good idea in blockchain and in ethereum, you can kind of directly to users or investors to, to raise the money you want to start your business. Kai Ryssdal: Yeah, but so Matt, look, man, I mean, we have to make an entry into the what can possibly go wrong file on this one, right?
And, and you have to look no farther than the Constitution DOA which made it up on the fly, people bought in in newly activated wallets without really knowing what was going on, they now are facing obstacles getting their money back. And let me also point out that in addition to regulators and banks when you do a regular IPO, the other people sitting at the table are lawyers.
And, and the regulatory world has been very slow to respond. I think the legal world is a little bit further ahead. Is it the developer who wrote that code? And so I think the regulatory side of it, the legal side of it, the, the public policy side of it all needs to realize that this is moving fast, and we need to keep pace with it. Molly Wood: What might some of those regulations look like?
Or what is at least a starting point? I would imagine that, first and foremost, the SEC does not want to sell an unregistered security to the public. I think next is that there are new organizations that are made possible by this technology that are, are complicated and fascinating at the same time.
But Constitution DOA is an example. So a DOA is a decentralized, autonomous organization. Kai Ryssdal: This is gonna sound like a stupid thing to say, but do you suppose the technology ought to take a pause until we figure out what the rules are because people are going to lose boatloads of money. I get that. That seems relevant. Matt Leising: Yeah, exactly.
Molly Wood: Yeah, I wonder. Because on the one hand, you have this industry that was born from a desire to decentralize, to take away power from gatekeepers to, you know, return value in this democratic way to the people. But it seems like these two sides are sort of in opposition, as opposed to somebody trying to figure out alright, what, what does this future look like? Is that a fair characterization? Matt Leising: I think so.
And I think in the terms of the public, I think there just needs to be more education about this to people and that the risks are known. So that when you want to get into this, you understand there is no FDIC insurance here, you know, you can lose everything you put in.
And you know, you need to be very careful with how you manage the, your accounts here. Because if, you know, the user experience is still very difficult. If you make mistakes with your wallet or other transactions, you can inadvertently send things to the wrong place or lose, lose your money. And so it is a bit rough and scary out there for retail users and individuals to learn how to navigate it. You know, you do have the American market, but then, you know, obviously, we follow Europe, and then Asia follows the United States.
And for a very large part of that, the securities laws and regulatory framework is in line. I know the World Economic Forum has a blockchain group. And I think the IMF is working on this. So I think that regulators, you know, have woken up to it, and they need to make sure to try to help this industry grow. I think a lot of people are disillusioned with how the traditional financial markets work. A lot of people are disillusioned with central banks and private banks being able to print money to get their way out of trouble.
And then you can apply that to something like Airbnb or eBay. You know, a lot of, a lot of companies that are out in the web 2, is what we call it, sit there in the middle and sort of take that fat chunk of the transaction. And, and I think people are like, you know, we can wring some efficiency out of that. Molly Wood: Matt Leising, formerly of Bloomberg News, is now co-founder of Desential Media, covering the world of crypto, defi and the blockchain.
Matt, thanks so much for the time. Matt Leising: Thank you guys. It was a pleasure. Kai Ryssdal: Thanks a bunch. Molly Wood: Take good care. Kai Ryssdal: As I said, I learned some stuff. So there we go. Molly Wood: I know, me too.
I also like that right at the end there, that idea of the idea that all of these companies were created, you know, they were—pardon the name redundancy—but referred to as marketplace companies, like you could just raise billions of dollars by being like, I sit in between this and this and I connect them.
And now the blockchains like, no, I connect them. For free! Kai Ryssdal: Oh, man. Molly Wood: Alright, if we did not make you entirely smart, or we did or you now understand something or have something to contribute that will make everybody else smarter let us know, our phone number is , also known as SMART.
You can also leave us a voice memo at makemesmart marketplace. Molly Wood: And now for the news. Kai Ryssdal: What even was that? But it was really fun. Why have I not been doing that? What I meant was the news fix.
Do you know what the little history of the news fix is, dear listeners? Those of you who may have recently joined us.
COINBASE TO BUY ETHEREUM
The course not only covers Ethereum technology fundamentals and its working comprehensively but also deals with practical ways for dealing with deploying a smart contract. In addition, you can also learn about the best practices for creating your own tokens. Furthermore, the course goes beyond the Ethereum technology basics and reflects on the next development steps in the Ethereum roadmap. You will find a detailed account of Ethereum technology explained thoroughly with topics such as Ethereum transactions, tokens, Ethereum consensus, and the development of dApps with a specific focus on DAOs.
Learners will get prolific insights from an industry expert on Ethereum in this course to enhance their learning experience. The innovative aspect of the new course on Ethereum technology is its in-depth focus on all Ethereum technology fundamentals. A middle-man is a central authority like a bank or government that intervenes in a transaction between the sender and recipient. They have the power to surveill, censor or revert transactions and they can share the sensitive data they collect about you with third parties.
They also often dictate which financial services you have access to. Things are different with crypto. Transactions directly connect sender and recipient without having to deal with any central authority. Nobody else will have access to your funds and nobody can tell you what services you can use.
This is possible because of the blockchain technology upon which cryptocurrencies operate. What is a blockchain? Why is it called cryptocurrency? A blockchain is a database of transactions that is updated and shared across many computers in a network.
Most blockchains are public, and you can only add data, not remove. That is a lot! This makes established blockchains like Ethereum highly secure. What is the difference between Ethereum and Bitcoin? Launched in , Ethereum builds on Bitcoin's innovation, with some big differences. Both let you use digital money without payment providers or banks. But Ethereum is programmable, so you can also build and deploy decentralized applications on its network. Ethereum being programmable means that you can build apps that use the blockchain to store data or control what your app can do.
This results in a general purpose blockchain that can be programmed to do anything. As there is no limit to what Ethereum can do, it allows for great innovation to happen on the Ethereum network. While Bitcoin is only a payment network, Ethereum is more like a marketplace of financial services, games, social networks and other apps that respect your privacy and cannot censor you. What can Ethereum do?
Banking for everyone Not everyone has access to financial services. But all you need to access Ethereum and its lending, borrowing and savings products is an internet connection.
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