08 Apr 2025

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Hennadii Cholovenko - Contributor - The Coinomist

Hennadii Cholovenko

Contributor

Hennadii Cholovenko is one of our original contributors, when The Coinomist was called GNcrypto. Their in-depth and fearless reporting in the early days of cryptocurrency journalism established the trust and integrity that define our platform. Their legacy continues to shape every piece we publish, keeping you informed with the same passion and expertise from our beginnings.

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X rules of a safe CEX by Vitalik Buterin

X rules of a safe CEX by Vitalik Buterin

Vitalik Buterin shared his ideas on why modern CEX are not secure and how to fix it

Hennadii Cholovenko
5 crypto assets that can grow in the nearest future

5 crypto assets that can grow in the nearest future

The market won’t go down forever, it will eventually revive and go up. And crypto prices will rise in sync with the market. Which coins are most likely to follow the upward trend? Let’s review the most promising projects.

Hennadii Cholovenko
Latest Bitcoin Mining ASIC Models in 2022

Latest Bitcoin Mining ASIC Models in 2022

Given the constant increase in the Bitcoin mining complexity, more and more powerful equipment is required for its mining. The ASIC lineup is updated a bit less frequently than the smartphone one, so let’s take a look at the latest 2022 models.

Hennadii Cholovenko
Which crypto can be mined on a home computer?

Which crypto can be mined on a home computer?

Proof of work is used widely in cryptocurrency mining. Every year the mining difficulty increases, so people need to use more and more powerful equipment, like ASIC miners. Even though you can still mine some coins on home computers.

Hennadii Cholovenko
A little known fact about Ethereum

A little known fact about Ethereum

The Ethereum team repeatedly promoted all strengths of their blockchain and their coin. Nevertheless, there is one fact that Vitalik Buterin hides from the public. In this article, we will find out things that the Ethereum creator prefers to keep to himself.

Hennadii Cholovenko
Exotic consensus algorithms: PoA, DPos and others

Exotic consensus algorithms: PoA, DPos and others

Not all cryptocurrencies with their own blockchain use the most common Proof-of-Work and Proof-of-Stake consensus algorithms. What other exotic alternatives are available on the market, and which blockchains adopt them?

Hennadii Cholovenko
Ukrainian cryptocurrency: which coins have Ukrainian roots

Ukrainian cryptocurrency: which coins have Ukrainian roots

Ukrainian programmers and experts in blockchain technologies participated in dozens of crypto startups geographically scattered around the world. But there are cryptocurrencies created specifically in Ukraine, and even their names indicate this.

Hennadii Cholovenko
Hardware wallets: which models are the most popular

Hardware wallets: which models are the most popular

Hardware wallets for cryptocurrencies are the most reliable form factor for storing crypto assets. Let’s take a look at what these are capable of, who should use them, and what to pay attention to when buying.

Hennadii Cholovenko
Bankruptcy of the FTX exchange: the story continued

Bankruptcy of the FTX exchange: the story continued

Sam Bankman-Fried, the boss of the FTX exchange, which in a few days became de facto bankrupt and dragged the entire market into the abyss, made a lot of excuses.

Hennadii Cholovenko
FTX bankruptcy: who is behind it

FTX bankruptcy: who is behind it

In a few days, we all witnessed how one of the largest cryptocurrency CEX-exchanges came very close to bankruptcy. Who is to blame for this and where has it all started?

Hennadii Cholovenko
Who is Satoshi Nakamoto – the mysterious Bitcoin creator?

Who is Satoshi Nakamoto – the mysterious Bitcoin creator?

The figure of the Bitcoin creator is still shrouded in mystery. Who is hiding behind this pseudonym, and to whom does humanity owe the creation of a new class of decentralized digital assets and Bitcoin in particular?

Hennadii Cholovenko
The Layer 2 solution as an attempt to overcome the blockchain

The Layer 2 solution as an attempt to overcome the blockchain

As the number of users and transactions on Layer 1 blockchains continued to grow, this posed a scaling challenge, called the “blockchain trilemma”. Fortunately, Layer 2 solutions have emerged to address this problem.

Hennadii Cholovenko
Metaverses: a review of interesting projects

Metaverses: a review of interesting projects

Metaverses are a separate direction of the crypto industry that has captured the attention of not only millions of people, but also famous and largest companies in the world. We have collected the most interesting projects for you.

Hennadii Cholovenko
Sidechains. Which is the most popular solution?

Sidechains. Which is the most popular solution?

Sidechains are another solution to the blockchain trilemma that has become a pressing challenge for Bitcoin. This article will explain the concept of sidechains and review one of the most popular solutions.

Hennadii Cholovenko
Popular anonymous cryptocurrencies: who can outperform Monero

Popular anonymous cryptocurrencies: who can outperform Monero

Anonymous cryptocurrencies have always been attractive to investors, who put privacy and confidentiality first. Monero has long been the leader among such assets. Which cryptocurrency strives to challenge it for leadership?

Hennadii Cholovenko
Smart contracts – where and how they are used

Smart contracts – where and how they are used

Smart contract is a term closely associated with the digital asset market. Smart contracts are actively used in the decentralized finance (DeFi), with their help, voting in decentralized autonomous organizations (DAOs) is carried out.

Hennadii Cholovenko
PoW vs PoS: what are the key differences between the algorithms

PoW vs PoS: what are the key differences between the algorithms

Every cryptocurrency operates on a blockchain. Each blockchain uses a specific consensus algorithm. Each algorithm establishes fair rules of the game for all participants.

Hennadii Cholovenko