The 5 tools & services on Ethereum you absolutely must know if you are in the Web 3 ecosystem

Julien Wedeux
February 14, 2023

The 5 tools & services you absolutely must know if you are in the Web 3 ecosystem

Between on-chain analysis, NFT (non fungible token), Metaverse, crypto-assets and so on, the world of web 3.0 and blockchain can be complicated for a classic user without a deep knowledge in computer science!To help each and every one of you to better integrate into this ecosystem, here are 5 tools and services that are essential to your success in the web 3.0 world.


Ledger Wallet is what we call a hardware wallet, in other words, it is a wallet that has a physicalsupport. This type of wallet is also part of the cold wallet category.

In practical terms, the Ledger Wallet looks like a USB stick that allows you to keep your crypto-assets securely; each wallet downloaded to your Ledger has a public address.

Bitcoin, Ethereum and many other crypto-currencies are supported by Ledger wallet, more than 550 active ones in total on the Ledger Nano X. You also have the possibility to connect to hot wallet such as Metamask.

Ledger bets on security and installs one more barrier with hackers which is the physical barrier, it is an indispensable tool for people wishing to keep their cryptos on the long term.

Ledger a good way to really hold your crypto currencies unlike if it was on a centralized exchange cause it’s a non-custodial wallet is a type of digital wallet in which the user is solely responsible for managing their private keys and funds. Unlike custodial wallets, non-custodial wallets are not managed by a company or third party, which means that the user has full control over their funds. This allows the user to retain full ownership of their assets without having to trust a third party to store them.

#2 CoinMarketCal

CoinMarketCal is the best calendar for crypto-assets! The website is really easy to use and offers a clear overview of upcoming events, with filters to sort the information by different crypto-currencies and event categories.

One of the most useful features of CoinMarketCal is the ability to sign up to receive real-time notifications about events that may impact the price of crypto-currencies. For example, if a crypto-currency announces a partnership with a well-known company or an important update, registered users will receive a notification so that they are instantly aware.

This is a valuable tool for anyone interested in the crypto-currency market!

#3 Brave Browser

Brave Browser is a web browser that aims to improve users' experience by offering faster page loading speed and better privacy protection.

One of the main features of Brave Browser is their ad blocking system. This allows the browser to load web pages faster, as it does not need to download ads that slow down page loading. On top of that, users can choose whether or not to see ads on the pages they visit.

Another interesting feature of Brave is its reward system. Indeed, when you browse the Internet with Brave Browser, you accumulate little by little the project crypto-currency which is the $BAT! You can then do whatever you want with these tokens like exchanging them for other crypto-assets, sending them to a friend or selling them for Euros.

In addition to blocking advertising and trackers, Brave uses a built-in VPN that you can activate or not, which will protect you even more on the internet.

In summary, Brave Browser is an innovative web browser that offers a faster and more secure browsing experience thanks to its ad-blocking system and advanced privacy features.

#4 Open Sea

OpenSea is the leading NFT marketplace. It is a platform where you can buy and sell NFTs on Ethereum, Polygon, Klaytn, Solana, Arbitrum, Optimism, Avalanche and BNB blockchain.

Tens of thousands of NFT collections are available on the platform, so it's up to you to make your choice based on what you prefer.

An interesting feature of OpenSea is that users can create a "store" where they can sell their own NFT collection!

The platform offers a user-friendly interface that is easy to use even for less experienced users!

OpenSea sets itself apart from the competition by offering a variety of unique features such as the ability to create custom submarkets for specific collections, the ability to combine multiple NFTs to create unique bundles, and the ability to post NFT ads to other websites and social networks.

It is important to add that Open Sea is multi-chain and supports the following blockchains: Ethereum, Polygon, Klaytn, Solana, Arbitrum, Optimism, Avalanche and BNB.

#5 Waltio

Waltio is a tool that makes tax returns for crypto-assets and NFTs much easier by automatically calculating the amount you have to pay!

What usually requires several hours of complex calculations takes only a few minutes with Waltio. All you have to do is collect all your documents related to your cryptocurrency transactions, upload them to the platform and let the tool do its job.

After analyzing your data, Waltio gives you the amount you have to pay to the tax authorities in relation to your crypto investments. A bad tax declaration can lead to penalties that can be heavy, it is on this niche that Waltio brings a real added value, because beyond facilitating the declaration, they greatly reduce the risk of problems with the tax authorities.

The platform benefits from a great trust from the users who are today more than 50.000 for a total volume counting in billions of euros!

The tool is free for your first 50 transactions. Then you have an offer at 179€ per year for 10.000 transactions and a customizable formula if you need more than 10.000 transactions per year.