BestChange project blog
What is a reentrancy attack, how does it work, are there effective ways to defend against it, and which crypto projects have already fallen victim to it?
The first half of 2026 ended with a significant decline in major crypto assets. Despite a handful of strong-performing projects, the broader market remains under pressure due to weak demand, regulatory uncertainty, and deteriorating investor sentiment.
Who is the so-called "Bitcoin killer," what criteria define it, and why does becoming a "Bitcoin killer" remain an almost unattainable goal for any crypto project?
What is an OTC trade, how does it work, and why is it the preferred choice for large-scale investors?
Why are investors withdrawing capital from Bitcoin exchange-traded funds (ETFs)? What role do Federal Reserve policy and the artificial intelligence boom play, and what lies ahead for the cryptocurrency market?
What is the HYPE-ETF, what justifies its launch, and which companies have already introduced their own cryptocurrency funds?
The Dogecoin ecosystem is preparing for the largest transformation in the project's history. The launch of new tools could turn the popular memecoin into a full-fledged blockchain platform with a wide range of financial services.
For a long time, Zcash (ZEC) remained one of the most popular privacy-focused cryptocurrencies. However, recent events have demonstrated that even major projects can face challenges capable of triggering a significant market reaction.
What are scam tokens, why are they created, and how can even a beginner identify such cryptocurrencies?
In 2026, Solana (SOL), whose decline was among the most significant among the largest cryptocurrencies, lost a substantial portion of its market capitalization. What caused Solana (SOL) to crash, and what are the prospects for its future price movement?
Crypto exchanges continue to simplify access to trading instruments by offering new formats for beginner users. One such solution is event contracts.
What FDV is in cryptocurrencies, how it differs from market capitalization, how it is calculated, and what it is used for.
What retrodrops are, how they work, and the advantages and disadvantages of cryptocurrency retrodrops.
What is a smart contract audit, what stages does it involve, and why are smart contract audits so important for blockchain projects?
Why is Bitcoin falling again? Should we expect a recovery, or will the decline continue?
What is siren (SIREN), what are the key features of this cryptocurrency, and what results has it achieved in the digital asset market?
What are flatcoins, how do they differ from other assets, and what are their pros and cons?
What is wash trading in cryptocurrency, how it is carried out, and why it poses a threat to the digital asset market.
Who crypto market sharks are, how they differ from other market participants, and what characteristics are used to identify sharks in the crypto industry.
What industrial mining is, how large it has become, and the scale of the biggest mining farms in the cryptocurrency market.
What an exit scam is, how it works, and how cryptocurrency users can protect themselves from it.
What is Polymarket, how does a prediction market operate, and why has Polymarket become so popular among cryptocurrency users?
What is sentiment in crypto, what types of sentiment exist, how cryptocurrency sentiment is measured, and why it is important for market analysis.
Oracles in cryptocurrency allow blockchains to receive data from external sources and use it in smart contracts. Thanks to crypto oracles, decentralized applications can work with asset prices, market events, and other information in real time.
What RWAFi is, where it is used, its advantages and limitations, and notable projects in this segment.
What synthetic crypto assets are, how they function, how they differ from tokenized assets, as well as their advantages and disadvantages.
Opening an account in Argentine pesos (ARS) is one of the key steps for living, working, or doing business in Argentina. Below we explain which banks are available, what documents are required, and what îñîáåííîñòè foreigners may encounter.
How Tether (USDT) staking works, on which platforms it is available, as well as its advantages and risks.
Who are shrimps in crypto, and what role do they play in the cryptocurrency market?
What degen trading is, what characterizes it, and what risks it carries.
What is United Stables (U)? How does it work? What problems does this stablecoin solve? What are its key features?
What is the StablR USD (USDR) stablecoin? How does it work? What are its features? What are its advantages and disadvantages?
The ZEN service offers users multi-currency accounts, fast SEPA transfers, and tools for euro transactions. This article reviews how to open a EUR account, top up the balance, use the ZEN Mastercard, and the current limits and fees of the platform.
What appchains are, how they work, and what advantages and disadvantages they have.
What yield-bearing stablecoins are, how they generate returns, and what their advantages and disadvantages are.
Why has the price of Toncoin been rising so sharply in recent days, and how is it connected to the latest statements made by Telegram founder Pavel Durov?
What a sandwich attack is, how the threat works, what makes it unique, and what risks sandwich attacks pose to blockchain networks.
What is slippage in cryptocurrency, how and why it occurs on exchanges, and whether it is possible to protect yourself from it.
What a modular blockchain is, its fundamental differences from monolithic architectures, and the advantages and disadvantages of modular blockchains.
Canton Network is a next-generation blockchain focused on the institutional sector and real-world assets (RWA).
MEV is one of the key mechanisms that show how the order of transactions in a blockchain can be leveraged to generate profit. Let’s explore who earns from MEV and why this strategy can be both beneficial and risky for users.
UPI is not just a payment system but the backbone of India’s digital economy, processing billions of transactions every month. Thanks to its simplicity, zero fees for users, and broad integration with banks, it is rapidly displacing traditional payment networks and expanding internationally.
What are AI memecoins? What distinguishes them from other similar assets, and what are examples of popular AI memecoins?
Who the crypto unicorns are, which of them stand out from the rest, and what happened to them after the correction in the cryptocurrency market in 2025.
The banking system of Bangladesh has changed significantly in recent years: along with traditional accounts, mobile financial services, internet banking, and agent banking services are developing in the country.
A bank account in Czech koruna (CZK) is a key tool for everyday financial operations in the Czech Republic, from paying for services to running a business. How can such an account be opened, what requirements do banks impose, and what should you pay attention to when using it?
A bank account in Mexican pesos (MXN) is an important tool for living, working, and making payments in Mexico. In this article, we will examine who can open such an account, what documents are required, and how to use the account for transfers and deposits.
The memecoin market turned out to be a ÿðêèì but short-lived phenomenon: rapid growth was followed by an equally sharp decline. The stories of the most high-profile projects show how quickly investor interest gives way to sell-offs and disappointment.
The cryptocurrency RAVE quickly attracted investors’ attention due to its unusual concept and strong price growth. However, this was followed by high volatility and questions about the project’s sustainability.
The most notable rises and falls of Bitcoin throughout the entire history of this “digital gold.”
What the DCA strategy in cryptocurrencies is, how it works, its pros and cons, and why it is so popular.
A bank account in Uruguayan pesos (UYU) may be needed for transfers, storing funds, and everyday transactions in Uruguay. However, the conditions for opening one — especially for non-residents — have several îñîáåííîñòåé that should be considered in advance.
Advantages of bank cards in Brazilian reais (BRL), who can obtain them and how, as well as methods for funding bank accounts in Brazilian reais (BRL).
A bank card in Vietnamese dong (VND) can significantly simplify life during a trip or long-term stay in the country. Let’s look at which cards are accepted in Vietnam, how to open an account, fund it, and withdraw cash without unnecessary difficulties.
A bank card in Argentine pesos (ARS) allows you to conveniently pay for purchases, withdraw cash, and transfer funds within the country. When choosing and applying for such a card, it is important to consider banks’ document requirements, fees, limits, and available top-up methods.