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ethereum

A collection of 33 posts

Smart Contract Upgrades and Proxy Patterns
ethereum

Smart Contract Upgrades and Proxy Patterns

In this video you will learn about all available methods to upgrade Smart Contracts. We are gradually going from logic/storage separation over Proxy patterns to most sophisticated techniques to exchange Smart Contracts

  • Thomas Wiesner
    Thomas Wiesner
1 min read
Dashboards for Ethereum Monitoring
ethereum

Dashboards for Ethereum Monitoring

So you built your decentralized Application. But then? Of course, you need to monitor it. Because always manage the money at risk and that includes proper monitoring. There are a few resources out

  • Thomas Wiesner
    Thomas Wiesner
2 min read
Ethereum Blockchain Quiz - 5 Questions You Should Know (Hard!)
ethereum

Ethereum Blockchain Quiz - 5 Questions You Should Know (Hard!)

Do you really know Ethereum well? Today I got 5 questions every Ethereum Blockchain Developer should know. Some are super easy, some are quite hard, none of them should feel unfamiliar. Watch the

  • Thomas Wiesner
    Thomas Wiesner
3 min read
Why Blockchain Is Insurance Disruption
blockchain

Why Blockchain Is Insurance Disruption

A few days ago I asked how blockchain technology can help reduce the cost for insurance settlment and other overhead costs. How much are the settlement costs? The answer, how blockchain disrupts the

  • Thomas Wiesner
    Thomas Wiesner
11 min read
Vitalik reports PERSONALLY to Elon on Twitter
ethereum

Vitalik reports PERSONALLY to Elon on Twitter

Have you seen what happened between Elon Musk and Vitalik Buterin on Twitter yesterday? Elon, the founder and CEO of Tesla - probably everyone knows him by now - had Vitalik Buterin, the

  • Thomas Wiesner
    Thomas Wiesner
2 min read
[Video] Why you cannot DELETE Information from the Blockchain. What is Immutability?
ethereum

[Video] Why you cannot DELETE Information from the Blockchain. What is Immutability?

In this Ethereum Session we talk about Immutability, or why it isn't really possible to delete information from the blockchain at all. Even though you delete your smart contract via the "selfdestruct&

  • Thomas Wiesner
    Thomas Wiesner
1 min read
[Video] Blockchain Notary Systems Walkthrough incl. Demo
ethereum

[Video] Blockchain Notary Systems Walkthrough incl. Demo

Have you ever wondered how a Public Notary system would look like on a public permissionless Blockchain like Ethereum? Then you will most likely enjoy this video: Find the demo here: https://tomw1808.

  • Thomas Wiesner
    Thomas Wiesner
1 min read
[Video] Blockchain and IoT: Car Sharing Example
blockchain

[Video] Blockchain and IoT: Car Sharing Example

Have you ever asked yourself why should we use Blockchain instead of traditional systems for IoT? If yes, then, that's good. That is valid question and I will explain to you the answers

  • Thomas Wiesner
    Thomas Wiesner
1 min read
[Video] Supply Chain Example for Blockchains
ethereum

[Video] Supply Chain Example for Blockchains

Have you ever wondered where the imported wine you are drinking, the shirt you are putting on, or the food you are about to buy come from? Aside from the shopping malls you

  • Thomas Wiesner
    Thomas Wiesner
2 min read
[Video] Ethereum Oracles Walkthrough
ethereum

[Video] Ethereum Oracles Walkthrough

Oracles! What are they? And why do we need them in Ethereum? One of the major benefits that we have on Ethereum is that the Smart Contracts are running on a Sand Box

  • Thomas Wiesner
    Thomas Wiesner
1 min read
[Video] Solidity v0.5.0 Breaking Changes
ethereum

[Video] Solidity v0.5.0 Breaking Changes

Solidity v0.5.0 is out for about 2 weeks and now we can use it in Remix. To read more about the changes made for this version and how you’re going

  • Thomas Wiesner
    Thomas Wiesner
1 min read
[Video] MetaMask: New Privacy Mode
ethereum

[Video] MetaMask: New Privacy Mode

In this video, we are going to discuss the new MetaMask Privacy Mode. This came into effect on November 5, 2018, and will be set as mandatory pretty soon. With this in mind,

  • Thomas Wiesner
    Thomas Wiesner
1 min read
[Video] Enterprise Ethereum: Pantheon Walkthrough
ethereum

[Video] Enterprise Ethereum: Pantheon Walkthrough

Let's give the Enterprise Ethereum: Pantheon a try - a freshly coded, written in Ethereum Node straight from scratch. So, in this video, I am going to walk you through the steps on

  • Thomas Wiesner
    Thomas Wiesner
1 min read
[Book] Ethereum Blockchain Developer ($9.99 only)
book

[Book] Ethereum Blockchain Developer ($9.99 only)

It's done. Over 300 pages. Full of knowledge. The Ethereum Blockchain Developer Book. It starts very gentle, with Remix, teaching some Solidity basics. But quickly guides you through the whole workflow of a

  • Thomas Wiesner
    Thomas Wiesner
1 min read
[Kurs] Ethereum Blockchain Entwickler werden - Videokurs ($50)
course

[Kurs] Ethereum Blockchain Entwickler werden - Videokurs ($50)

Solidity Anfänger oder Ethereum Interessierter? In diesem Kurs lernst du nicht nur die Grundlagen, sondern auch den sicheren Umgang mit Solidity und die aktuellen Industry Best Practices! In einfach zu verstehenden Lektionen lernst

  • Thomas Wiesner
    Thomas Wiesner
2 min read
[Course] Become a Certified Blockchain Developer - Ethereum (CBDE)
course

[Course] Become a Certified Blockchain Developer - Ethereum (CBDE)

With this course we guide you through the CBDE - Certified Blockchain Developer for Ethereum. This certification, which was created in partnership with the Blockchain Training Alliance and Pearson VUE, is helping HR

  • Thomas Wiesner
    Thomas Wiesner
1 min read
[Video] Hands-On: Messenger Status.im
ethereum

[Video] Hands-On: Messenger Status.im

In this episode we are looking at the Ethereum Messenger “Status”. It’s a mobile app for Android and iOS that should bring the power of the Ethereum Blockchain to your phone. We’

  • Thomas Wiesner
    Thomas Wiesner
6 min read
[Video/Tutorial] What exactly is the Gas Limit and the Gas Price in Ethereum
ethereum

[Video/Tutorial] What exactly is the Gas Limit and the Gas Price in Ethereum

In this video we are talking about Gas! Specifically, we are deep-diving into the Gas Limit and the Gas Price and what it’s all about that. So, there the two things. The

  • Thomas Wiesner
    Thomas Wiesner
9 min read
[Video] Tutorial how to Upgrade Smart Contracts on Chain
tutorial

[Video] Tutorial how to Upgrade Smart Contracts on Chain

It's not easy to get Upgradeable Smart Contracts right. You should be able to fix bugs or enhance features, obviously. But not at the cost of loosing immutability. It's this element of trust

  • Thomas Wiesner
    Thomas Wiesner
14 min read
[Course] Initial Coin Offering A-Z™: Become A Smart ICO Investor ($15)
course

[Course] Initial Coin Offering A-Z™: Become A Smart ICO Investor ($15)

A Comprehensive Course To Help You Understand, Evaluate & Invest in Cryptocurrency ICOs, Without Being Caught By Scams! Initial Coin Offering A-Z™: Become A Smart ICO Investor - is the most complete course

  • Thomas Wiesner
    Thomas Wiesner
1 min read
The Ethereum Ecosystem
ethereum

The Ethereum Ecosystem

With plenty of tools out there, and many more in the making, the Ethereum Ecosystem is evolving so fast that it's hard to keep up. I work with plenty of tools on a

  • Thomas Wiesner
    Thomas Wiesner
1 min read
Case-Study: 4 Recent ICOs and the SEC
ethereum

Case-Study: 4 Recent ICOs and the SEC

With the massive success of Ethereum ICO is being used all the more for funding the development of similar crypto projects. In case you’re willing to know better about Ethereum ICO and their legal tidbits, here is a detailed insight on leading ICOs in the market

  • Thomas Wiesner
    Thomas Wiesner
4 min read
solidity

Mappings and Structs in Solidity

In this video we are having a look at Mappings and Structs in Solidity. This is one of 110 video-lectures in the Ethereum Developer Masterclass where you will learn everything there is to

  • Thomas Wiesner
    Thomas Wiesner
1 min read
[Course] Ethereum Beginners Course (free!)
course

[Course] Ethereum Beginners Course (free!)

100% FREE COURSE: Build A Hello World Blockchain App - is the only course you need to begin your journey with Ethereum Blockchain Development incorporating Solidity at a basic level, with step-by-step instructions guiding you through the entire process.

  • Thomas Wiesner
    Thomas Wiesner
1 min read
solidity

Pure vs. View vs. Constant functions

The new Solidity 0.4.16 is out. In this verison the new "view" and "pure" functions are introduced. I had a quick look what this means for you

  • Thomas Wiesner
    Thomas Wiesner
1 min read
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