Crypto
Bitcoin, Ethereum, blockchain, DeFi, tokenomics and wallet security.
- ·2 min read
What Is Restaking? Stacked Yield and Stacked Risk
Restaking lets already-staked assets be reused to secure additional services, unlocking layered yield. But each layer of yield comes with a new layer of slashing risk. How to understand restaking and why caution matters.
- ·2 min read
zk-Rollups vs. Optimistic Rollups: Two Different Ways to Scale a Blockchain
Both are Layer 2 solutions that let a blockchain process more transactions at lower fees, but how they prove transactions are valid differs greatly. Comparing the two on withdrawal speed, cost, and trade-offs.
- ·2 min read
What Is Account Abstraction? Making Crypto Wallets Easier to Use
Account abstraction lets crypto wallets behave like flexible "smart accounts" — recover after losing a key, pay fees in another token, set spending limits. The idea, its benefits, and what to watch for.
- ·2 min read
What Is DePIN? When Blockchain Meets Real-World Physical Infrastructure
DePIN uses token rewards to incentivize people to contribute real physical infrastructure — wireless networks, storage, sensors — run in a decentralized way. The idea, examples, and how to evaluate a DePIN project soberly.
- ·2 min read
What Is Web3? The Ownership Internet, Explained Plainly
Web3 is the idea of an internet where users own their data, assets, and identity through blockchains and wallets. We separate the real shift from the hype.
- ·2 min read
What Is a Blockchain? The Shared Ledger Behind Crypto
A blockchain is a shared, append-only ledger copied across many computers. We explain blocks, decentralization, why it is hard to tamper with, and what it is actually good for.
- ·2 min read
Coin vs Token: Two Concepts Often Confused in Crypto
A coin has its own blockchain, while a token is issued on someone else blockchain. We explain the core difference, concrete examples, and why it matters when evaluating a project.
- ·2 min read
Token Vesting and Unlocks: The Hidden Selling Pressure You Need to Know
Vesting is the mechanism that locks team and early-investor tokens, releasing them gradually over time. We explain why the unlock schedule affects price, and how to check it before buying a token.
- ·2 min read
Total, Circulating, and Max Supply: Three Numbers Often Overlooked When Buying Coins
Total supply, circulating supply, and max supply determine how "diluted" a token is. We explain the differences, why a low price is not necessarily cheap, and the "fully diluted valuation" trap.
- ·2 min read
What Are Perpetual Futures: Crypto Most Popular Derivative
Perpetual futures are crypto futures with no expiry date, using a funding rate to track the spot price. We explain the mechanism, leverage, funding rate, and liquidation risk.
- ·2 min read
What Are Wrapped Tokens: Bringing Bitcoin Into the Ethereum World
A wrapped token represents an underlying asset on another blockchain at a 1:1 ratio. We explain why wrapped tokens are needed, how they work, and the risk of depending on the custodian.
- ·2 min read
What Is a Blockchain Bridge: Moving Assets Between Chains
A bridge lets you move tokens from one blockchain to another. We explain how it works, why bridges are needed, and why they are one of the most-hacked targets in crypto.
- ·2 min read
What Is a Blockchain Oracle: Bringing Real-World Data Into Smart Contracts
An oracle brings real-world data (prices, rates, outcomes) into the blockchain for smart contracts to use. We explain why blockchains need oracles, how they work, and the "oracle problem."
- ·3 min read
What Is a Seed Phrase: The Real Key to Your Crypto Wallet
A seed phrase is a string of 12-24 words used to recover a crypto wallet. We explain why whoever has it has full control of your assets, and the absolute security rules to follow.
- ·2 min read
What Is an AMM: The Automated Market Maker Behind Decentralized Exchanges
An AMM replaces the order book with a math formula and a liquidity pool, enabling automatic token swaps 24/7. We explain how it works, its advantages, and its limits versus a traditional order book.
- ·2 min read
What Is Bitcoin Mining: How New Bitcoin Is Born and the Network Is Secured
Bitcoin mining is the process where computers solve a puzzle to validate transactions and create new Bitcoin. We explain Proof of Work, its role in network security, and why halving matters.
- ·2 min read
What Is DeFi: How Decentralized Finance Works
DeFi is a financial system running on blockchain via smart contracts, with no bank or middleman. We explain the main services, the benefits, and the risks to know before taking part.
- ·3 min read
What Is Impermanent Loss: The Hidden Risk of Providing Liquidity
Impermanent loss is the shortfall versus simply holding your tokens, occurring when the prices of two tokens in a liquidity pool diverge. We explain the mechanism with examples and how to reduce the risk.
- ·2 min read
What Is Liquid Staking: Earn Staking Rewards While Keeping Liquidity
Liquid staking lets you stake coins to earn rewards while receiving a representative token you can still use in DeFi. We explain how it works, the benefits, and the risks to know.
- ·2 min read
What Is MEV: The "Hidden Tax" and Order-Jumping on the Blockchain
MEV is the profit transaction orderers can extract by inserting, reordering, or jumping ahead of transactions. We explain types like front-running and sandwich attacks, how it affects you, and how to reduce the damage.
- ·2 min read
What Is Proof of Reserves: Does the Exchange Really Hold Your Money?
Proof of Reserves is how a crypto exchange proves it holds enough assets to match user deposits. We explain the mechanism, its limits, and why "not your keys, not your coins."
- ·2 min read
What Is RWA Tokenization: Bridging Blockchain and Traditional Assets
RWA means putting real-world assets like real estate, bonds, and gold on the blockchain as tokens. We explain how it works, the benefits like fractional ownership and liquidity, and the risks to know.
- ·2 min read
What Is Token Burn: Why a Project Would "Destroy" Its Own Coins
A token burn sends tokens permanently to an address no one can use, reducing supply. We explain the mechanism, why projects do it, and whether burning really makes the price rise.
- ·2 min read
What Is TVL (Total Value Locked): The Size Gauge of a DeFi Protocol
TVL is the total value of assets locked in a DeFi protocol. We explain how to read it, why it reflects trust and liquidity, and the limitations of using TVL.
- ·2 min read
Bitcoin vs Ethereum: How Do the Two Crypto Pillars Differ?
Bitcoin is "digital gold" focused on storing value; Ethereum is a platform for decentralized applications. We explain the differences in purpose, technology, and the role of each in a crypto portfolio.
- ·3 min read
CEX vs DEX — How Centralized and Decentralized Exchanges Differ
A clear comparison of centralized exchanges (CEX like Binance) and decentralized exchanges (DEX like Uniswap): how they work, who holds your assets, fees, security, and risks. A beginner's guide to choosing the right type.
- ·4 min read
Cold vs hot wallet — how to store crypto safely
How hot wallets, cold wallets, and exchange wallets differ, when to use each, and the self-custody rules that keep you from losing everything when an exchange collapses or gets hacked.
- ·3 min read
How to Read a Crypto Whitepaper: Evaluate a Project Before Investing
A whitepaper presents a crypto project's idea, technology, and plan. We guide you on what to read carefully and the red flags to watch, so you evaluate a project instead of buying on emotion.
- ·4 min read
Layer 1 vs Layer 2 and Gas Fees — Explained for Beginners
What is a Layer 1, what problem does Layer 2 solve, and why are gas fees sometimes cheap and sometimes expensive? An easy guide to blockchain architecture so beginners understand transaction costs and pick the right network.
- ·3 min read
Leverage in futures — how to use it without blowing up your account
Leverage magnifies both gains and losses. How leverage works, what liquidation price is, why high leverage kills accounts fast, and the rules for safe use.
- ·2 min read
Limit Orders vs Market Orders — When to Use Each?
Limit orders control price, market orders execute immediately. Understand the trade-offs to trade effectively.
- ·3 min read
Market Cap vs Token Price — The "Cheap Coin, Easy 100x" Myth
Why a coin priced at $0.001 isn't "cheap" and a coin at $50,000 isn't "expensive." Understanding market capitalization, circulating supply, and why judging by per-unit price is the most common beginner mistake.
- ·3 min read
Proof of Work vs Proof of Stake: Two Ways to Secure a Blockchain
Proof of Work (PoW) and Proof of Stake (PoS) are two consensus mechanisms that keep blockchains secure without an intermediary. We explain how each works, and the differences in energy and security.
- ·2 min read
What Is a Stablecoin Depeg? When the "Stable" Coin Loses Its Peg
Stablecoins are designed to hold a steady price (usually pegged to 1 USD), but sometimes they "depeg" and fall. We explain why depegs happen, the types of stablecoins and their risks, and how to protect yourself.
- ·6 min read
Top 10 Telegram Trading Bots in 2026 for crypto investors
Compare 10 popular Telegram Trading Bots in 2026: fastbot, Cornix, Pionex, 3Commas, CoinStats, Delta, CoinMarketCap, Crypto Pro, Kubera, Altrady. Selection criteria + notes.
- ·3 min read
Investment Tax on Stocks and Crypto in Vietnam — What to Know
An accessible overview of tax obligations when investing in stocks and cryptocurrency in Vietnam: tax on stock trades, dividends, and the emerging legal framework for crypto. Why keeping transaction records matters now.
- ·3 min read
What are stablecoins? USDT, USDC, and the depeg risk you should know
How stablecoins peg to the USD, the difference between USDT and USDC, asset-backed vs algorithmic types, and depeg risk through the Luna/UST lesson.
- ·3 min read
What Is a DAO? Decentralized Autonomous Organizations in Crypto
A DAO is an organization run by coded rules on a blockchain, governed by a token community instead of centralized leadership. We explain how DAOs work, their uses, and the real risks.
- ·3 min read
What Is a Memecoin? Understand Trend Coins Before You Bet
A memecoin is a cryptocurrency born from internet trends, with value mainly from community and speculation. We explain why memecoins are extremely risky, the pump-and-dump mechanism, and how to approach them safely if you participate.
- ·3 min read
What Is a Multisig Wallet? Boosting Security for Your Crypto
A multisig wallet requires multiple private keys to approve a transaction, instead of just one. We explain how it works, why it is safer, and when to use it for crypto assets.
- ·2 min read
What Is an Altcoin? Understanding Cryptocurrencies Beyond Bitcoin
An altcoin is any cryptocurrency that is not Bitcoin. We explain the common types of altcoins, their higher potential and higher risk versus Bitcoin, and how to approach altcoins sensibly.
- ·3 min read
What Is an NFT? Understanding Unique Digital Assets and Their Risks
An NFT is a unique digital asset on a blockchain, representing ownership of a specific item. We explain how NFTs work, real-world uses, and why most NFTs carry high speculative risk.
- ·3 min read
What Is Bitcoin Dominance? Measuring BTC's Strength in the Crypto Market
Bitcoin Dominance measures Bitcoin's market cap share versus the whole crypto market. We explain how to read it, what it means when dominance rises/falls, and its link to "altcoin season."
- ·4 min read
What Is a Bitcoin Spot ETF and Why Does It Matter?
A Bitcoin Spot ETF is a fund that holds real Bitcoin, letting investors gain BTC exposure through a brokerage account without managing a wallet. We explain how it works, how it differs from buying BTC directly, and what it means for the market.
- ·4 min read
What Is a Crypto Airdrop? How to Hunt Airdrops Safely as a Beginner
An airdrop is when a crypto project distributes free tokens to the community to attract users. We explain the types of airdrops, why projects do it, common scam risks, and the rules for protecting your wallet when participating.
- ·3 min read
What is funding rate in futures? The hidden cost of leveraged positions
Funding rate is a periodic payment between longs and shorts in perpetual futures. How it is calculated, who pays whom, why it affects profit, and how to read market sentiment from it.
- ·4 min read
What Is Liquidation in Futures, and How to Avoid Blowing Up Your Account
Liquidation is when the exchange force-closes your leveraged position because margin is insufficient — meaning you lose your entire margin. Understanding liquidation price, why high leverage is so dangerous, and how to manage risk so your account survives.
- ·3 min read
What Is On-Chain Analysis? Reading Blockchain Data to Understand the Market
On-chain analysis uses public blockchain data — money flows, whale wallets, coins on exchanges — to understand crypto market behavior. We explain common metrics, pros and cons, and how to use it alongside technical analysis.
- ·3 min read
What Is Tokenomics? How to Read a Coin's "Economics"
Tokenomics determines whether a coin can hold long-term value. A beginner's guide to reading supply, emission inflation, vesting schedules, and token utility — so you can avoid projects designed to dump on retail investors.
- ·3 min read
What Is Yield Farming? Earning Returns in DeFi and Its Risks
Yield farming is earning returns by providing liquidity to DeFi protocols. We explain how it works, where the returns come from, and the major risks like impermanent loss and smart contract bugs.
- ·4 min read
What is a Telegram Trading Bot? Beginner's guide for 2026
What is a Telegram Trading Bot, what it does, why it became a 2026 trend. Beginner's guide, security notes, and who it fits.
- ·4 min read
Is Bitcoin DCA actually effective? A long-term strategy analysis
Bitcoin DCA: how it works, pros/cons, who it fits. How to build an effective DCA plan for beginners and long-term investors.
- ·3 min read
7 crypto investing mistakes that cost beginners money — and how to avoid them
7 common crypto investor mistakes: FOMO, no plan, overtrading, no DCA, herd mentality. How to recognize and avoid each one.
- ·6 min read
Automated DCA on Binance in 2026 — Full guide + 4 tools compared
How to set up automated DCA (Dollar-Cost Averaging) on Binance in 2026. Compare Binance Recurring Buy, 3Commas, Pionex and fastbot. Includes auto take-profit, empty-wallet edge cases, 5-minute setup template.
- ·6 min read
Telegram bot for Binance trading — 4 popular choices in 2026
Compare 4 Telegram bots for placing Binance orders (Spot + Futures): Cornix, 3Commas, Wundertrading, fastbot. Benefits, pros/cons, security notes.
- ·7 min read
Automated crypto DCA — 3 long-term strategies for BTC/ETH in 2026
How automated DCA differs from manual: 3 practical strategies — fixed, tiered take-profit, multi-coin index. Includes auto setup via fastbot, storage, tax basics.
- ·7 min read
Spot vs Futures on Binance — What's the difference? Who should use which?
Full comparison of Spot and Futures on Binance: mechanics, leverage, liquidation risk, fees, pros/cons. Make the right call as a crypto beginner.
- ·5 min read
7 common crypto investing mistakes beginners should avoid
Cryptocurrency offers tremendous opportunities but also significant risks. 7 mistakes beginners commonly make when starting out — FOMO, all-in, ignoring risk management, no plan — and how to avoid them.
- ·6 min read
Crypto trading fees 2026 — Binance vs OKX, Bybit, MEXC, Pionex
Compare Spot + Futures + Withdraw fees across 5 major exchanges in 2026: Binance, OKX, Bybit, MEXC, Pionex. How to reduce fees via VIP tier, BNB pay fee, referral.
- ·6 min read
How to choose your first crypto exchange in 2026
Guide to picking your first crypto exchange in 2026: 5 key criteria, comparison of Binance vs OKX vs Bybit, fiat on-ramps, security and regional legal notes.
- ·5 min read
How to track your crypto portfolio effectively in 2026
The more coins you hold, the harder portfolio management gets. Why watching prices isn't enough — and how modern investors track crypto portfolios through total value, allocation, and real-time alerts.
- ·7 min read
Binance API key security — 2026 checklist for bot users
Complete Binance API key security checklist for 2026: minimum permissions, IP whitelist, rotation, 2FA, monitoring. Critical if you use any trading bot.
- ·4 min read
Managing multi-asset portfolios in the digital age
Modern investors hold cryptocurrencies, US stocks, Vietnam stocks, and ETFs at the same time. Learn the challenges of multi-market management and how a Telegram-based hub like fastbot simplifies it.
- ·4 min read
Long-term crypto investing: a beginner's guide
Crypto investing is not only about daily trading. Learn the long-term strategy, core principles, and the role of tools like fastbot in tracking a sustainable crypto portfolio.