Isabelle GOUGET


The NFT Ecosystem

You hear about NFTs. But you don't understand its ecosystem. I have gathered in this article the videos that explain what you need to know.
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I have gathered in this article videos that explain the ecosystem of NFTs. I did not design them myself. And consequently, I am not responsible for the information they contain.

This is not investment advice. In the world of web 3.0 always do your own research before investing.

I hope this article will help you understand the ecosystem of NFTs.

What is a Blockchain?

WHAT is Blockchain? Major technological advance, the blockchain remains COMPLEX for many people

What is Blockchain used for? What is the relationship with BITCOIN? Is it mandatory to buy a cryptocurrency?

What is a Cryptocurrency?

But what exactly is a cryptocurrency? 💸🤔

What is a Wallet?

Wallets are wallets for securely storing your cryptocurrencies online or offline.

NFTs: Kezako? 🤯

More and more of you are wondering about this new trend: NFTs for Non-Fungible Tokens. But what we hear and read today is still vague.

In this video you will have a first approach to NFTs. A definition and concrete examples to take the first step into this new world 😁

Gas is a virtual unit present in Ethereum to organize the payment of transaction fees. By extension, the same concept is used in many smart contract platforms.

If you have ever made a transfer on Ethereum, you may have noticed the presence of parameters to modify such as the gas limit (gas limit) or the gas price (gas price), without understanding what was the link with the fees paid in ether (ETH).

This video explains everything about how the gas system works.

Gas: Performing Operations on the Ethereum Network As you may know, Ethereum is like a decentralized global computer for running programs called smart contracts. It is based on a virtual machine, called Ethereum Virtual Machine or EVM, which operates simultaneously on each of the nodes of a peer-to-peer network. Thus, each of the computers connected to the Ethereum network performs all the operations processed by the system. Operations are included in transactions. In order to prevent denial of service attacks, these operations require a fee, which is paid through the gas system.

What is the gas cost? (gas cost) Gas is a unit in Ethereum that acts as an intermediary between the user who makes a transaction and the validator (miner) who confirms this transaction. The gas is entirely virtual and no one can hold or trade it: the user pays the fee in ether (ETH) and the validator also collects this fee in ether. The gas is “purchased” (in ethers) at the time of the validation of the transaction, then it is “consumed” as fuel for the virtual machine. The validator that includes the transaction in its block collects the ether used to purchase the gas. Every operation in Ethereum has a fixed gas cost. This is calculated based on the computational resource needed relative to other operations.

On the side of the execution of smart contracts, each operation has its own cost.

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Isabelle GOUGET

Isabelle GOUGET

Artiste 2D spécialisée dans les illustrations calmes et positives.


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