Blockchain and Crypto Blog

Ivan on Tech Academy provides latest insights and reports about the blockchain industry.

decentralized exchanges decentralized money markets decentralized stablecoins decentralized synthetics defi intro defi introduction dexentralized insurance dexs what is defi

What is DeFi - A Brief Introduction to Decentralized Finance

Written By Ivan on Tech

Jun 14, 2020

Blockchain-driven innovation is heating up. However, Bitcoin is still the elephant in the room when it comes to discussing crypto with the average person. In terms of sheer brand recognition, it always wins hands down. However, there are more interesting things going on right now in the crypto space, and one of them is Decentralized Finance or DeFi.

Not to dismiss Bitcoin or minimize its role in bringing about the blockchain revolution, but let's just say that while Bitcoin's price has been lurching sideways like a dawdling old grandpa (falling off its walker each time it bumps into the $10k resistance barrier), DeFi has been sprinting around the track like Usain Bolt. In fact, some observers are already predicting that DeFi might well be the next big thing in the blockchain field.

Things can change quickly in crypto, but presently, DeFi is performing well as a family of assets and frankly, it's a more exciting space to be in. So, if you're new to crypto or you've only been...

Continue Reading...
51% attack mining proof-of-work

Breaking Down Proof-of-Work Mining and 51% Attacks

Written By Ivan on Tech

Jun 12, 2020

Proof-of-work blockchain networks rely on decentralized mining for consensus and for protection from double-spending. Bad actors may try to gain a large proportion of the network hashpower to engage in what’s known as a 51% Attack. By controlling a majority of hashpower the double-spending protection can be overcome. We review proof-of-work mining and the ways that blockchains can remain safe from 51% attacks. 

Blockchain Network Basics 

Let’s step back a moment and review the structure and workings of a permissionless, distributed, proof- of-work blockchain to learn how 51% attacks are possible. 

Distributed blockchain networks consist of many computers running the same code while connected to each other via the Internet. Each computer is called a node and nodes can be located anywhere in the world. 

The biggest networks have thousands of nodes with each node carrying a full copy of the entire blockchain. All nodes are in constant communication with...

Continue Reading...
facebook crypto explained facebook libra libra libra explained

Explaining Libra - Is There Light At The End of the Tunnel for Facebook’s Crypto?

Written By Ivan on Tech

Jun 12, 2020

It was on June 18, 2019 that Facebook announced a piece of unprecedented news: the launch of its mysterious cryptocurrency called Libra. This news brought much doubt and surprise around the world, and would subsequently go on to encounter a plethora of obstacles. This meant several of the members of the Libra association would begin to doubt their permanence. This guide breaks down what has happened so far and explains Facebook's Libra.

Launching Libra

From users of the social network, to the presidents of various countries, many had different reactions to Libra. Specifically, this was the great bet that Mark Zuckerberg had up his sleeve to finish knowing absolutely everything about us: our money.

The natural reaction of the banking sector, politicians and government authorities was total rejection and anguish since Libra officially represented the breakdown of the current economic model, based on the outdated and unsustainable banking system, which would only bring very bad news...

Continue Reading...
eth 2.0 ethereum 2.0 ethereum staking proof-of-stake staking

Breaking Down ETH 2.0 - Staking Explained

Written By Ivan on Tech

Jun 11, 2020

With ETH 2.0 just around the corner, now is a good time as any to look into one of the most critical updates it’s bringing along - proof-of-stake (PoS). In this article, we will look at why the current proof-of-work (PoW) system isn’t refined enough for future scalability needs and then see how eth 2.0 is looking to integrate PoS. 

What is Proof-of-Work?

Quite like Bitcoin, Ethereum also uses a proof-of-work (PoW) consensus protocol. The core principle of PoW works like this:

  • Specialized nodes in the network called “miners” own mining equipment called “ASICs.”
  • The miner takes up transactions from the mempool to form a block and then hashes its contents.
  • They then add a random value called “nonce” in the front of the hash and then hash the overall value again.
  • Now the miner will compare the value of the hash against the network difficulty. The difficulty is a metric decided upon by the network, which adjusts according to the ease...
Continue Reading...
consensus mechanism eth 2.0 ethereum 2.0 phases of eth 2.0 proof-of-stake proof-of-work

ETH 2.0 - Exploring The Phases of ETH 2.0

Written By Ivan on Tech

Jun 10, 2020

Since Ethereum first went live in July 2015, developers have stayed the course to improve it consistently. And in comparison to other upgrades over the years, the upcoming phasing in of ETH 2.0 will introduce two significant improvements: Proof of Stake (PoS) and Shard Chains. The shift in the underlying consensus mechanism away from the existing Proof of Work architecture will improve scalability, accessibility, economic incentives, energy efficiency, and lower barriers to entry, amongst other things.

Consensus Mechanisms

A consensus mechanism is a process by which the blockchain network agrees on one single version of the truth. Unlike in centralized systems, where those in power can twist the truth for a variety of reasons like political alliances, greed, power grabs, cover-ups, or even blackmail, and multiple versions of the truth can be told to gain an advantage.

For example, let’s say an earnings report is due to come out from a large corporation. And it just so happens,...

Continue Reading...
eth 2.0 eth2 ethereum 2 ethereum 2.0 ethereum proof-of-stake ethereum serenity

Breaking Down ETH 2.0 - The Next Generation of Ethereum

Written By Ivan on Tech

Jun 09, 2020

Ethereum is one of the most well-known blockchains, and it is about to receive a significant upgrade. The crypto community is now keeping an eye out for ETH 2.0, and for a good reason. The 2.0 upgrade will bring a host of changes to the network that will make Ethereum faster and more secure than ever before. The changes that this upgrade is going to bring in a host of changes like - proof-of-stake, Sharding, eWASM, Plasma, and the Raiden Network. 

Timeframe for ETH 2.0

Ethereum 2.0 has been an open secret for quite some time now. When Ethereum was initially released, it was done so in five stages. This was done to give each step the proper development time it required:

  • Frontier: This stage came around July 2015, when Ethereum was first launched. This is often known as stage 0.
  • Homestead: Ethereum entered this phase around March 2016. 
  • Metropolis: This stage has two forks - Byzantium and Constantinople.
  • Serenity: The final phase of Ethereum 1.0 will have at least...
Continue Reading...
blockchain classes blockchain courses online blockchain classes

Learn Blockchain Online with Exclusive Blockchain Classes

Written By Ivan on Tech

Jun 08, 2020

The past few years have seen an explosion in the demand for blockchain engineers and developers. However, the blockchain boom is creating a problem. The demand for blockchain engineers is far higher than the available supply. Traditionally, colleges and universities are the types of places people enroll to prepare themselves for entering a specific career. Nevertheless, the blockchain industry is emerging so rapidly few universities have had the time to keep up, and there are still few blockchain classes available in traditional schools.

With that said, there are now many new options emerging for those looking to take blockchain classes. Most notably, the online education field is heating up, and the best blockchain classes are available online. Taking online blockchain classes is a perfect match for those looking to learn more. First and foremost, the blockchain field is all about digital technology. As such, it makes sense to learn about it in a digital context.

Additionally, the...

Continue Reading...
blockchain and industry blockchain job search job search blockchain technology

What You Need to Know About Job Search in the Blockchain Age

Written By Ivan on Tech

Jun 07, 2020

In 2020, job hunting and conducting job search has become severely challenging due to the corona crisis and other significant events. For graduates gaining their first practical experiences through internships and trainee programs has become almost impossible due to the lack of work experience required. Training hard skills that are on-demand that do not fit the current education programs offered by different institutions can increase job opportunities in the market. At the same time, as a graduate, it is also vital to persist when searching for a job since most news headlines will always explain in detail how difficult it is to find a job nowadays.

On the other hand, enhancing and learning new skills can complement your already acquired degree or area of specialization knowledge. Therefore, focusing on gaining hard and soft skills that are on high demand in the job search market different business sectors during an apocalyptical year like 2020 will very much enhance the...

Continue Reading...
crypto investment tips what to think about trading bitcoin

Cryptocurrency Investment Guide - How Not to Lose Money Trading Bitcoin

Written By Ivan on Tech

Jun 06, 2020

As the public’s perception of Bitcoin evolves from former stereotypes as the currency of cybercriminals to a legitimate financial asset, wider acceptance will bring newcomers into the space looking to profit.

If you’ve been wanting to buy Bitcoin but aren’t sure how to go about it, or you’re nervous because you’ve heard stories about people losing all their money, then read on. 

Yes, Bitcoin has received more than its fair share of bad press from the mainstream, but a little education goes a long way in avoiding big problems. Bitcoin is an exciting space to be in, but before you jump in, just follow the steps below and you can save yourself time, money, and a lot of headaches. 

1. Secure Your Phone

Since you’ll be using your cellphone in at least some of your transactions, and since hackers have been known to steal Bitcoin by compromising cellphones, at the very minimum, you’ll want to do the following:

  1. Password protect your phone...
Continue Reading...
blockchain privacy tools eth 2.0 ethereum privacy tools future of ethereum zksnarks

Top 11 Ethereum Privacy Tools for 2020

Written By Ivan on Tech

Jun 05, 2020

Privacy may be the only thing DeFi fans and cypherpunks can agree on. In 2020, political censorship is motivating further adoption of cryptocurrencies which are anonymous - that means the senders’ and receivers’ identities are not linked on the blockchain. From the other side, the DeFi community is waking up to the need for confidential transactions, where the amount being sent is hidden. This will be essential for smart contract derivative instruments, peer-to-peer lending and the like.

Ethereum Privacy Tools for 2020

So what privacy tools are available on Ethereum? As of today, not many. The past decade has seen lots of innovation around Bitcoin privacy and Privacy Coins, like Monero and Zcash, but Ethereum has yet to reap the benefits of this innovation.

This is changing. From lightweight mixing protocols to bleeding-edge zero knowledge proofs, Ethereum privacy is finally having its day. Here’s what you should know about and where things are headed.

If...

Continue Reading...
1 2 3 4 5 6 7 8 9 10 11
Close

Get our Free Ebook

Enter your email and we will send it to you!