KoinlyticsLearn Crypto
Concepts
Gas Fees Explained: Why Your Transaction Cost $50
Gas is the price of block space on a public blockchain. Understand base fee, priority tip, and gas used, and you stop being surprised at the bill.
What Is A Smart Contract? Code as the Counterparty
A smart contract is a program that lives on a blockchain and executes automatically when its conditions are met. That single idea powers every DeFi app you have ever heard of.
What Is A Token? Coins Without Their Own Blockchain
BTC, ETH, SOL are coins with their own chains. USDC, UNI, LINK are tokens living on someone else's chain. That difference matters more than you think.
What Are NFTs? Beyond The Profile Pictures
An NFT is a unique, transferable token that points to something off-chain. Art, domains, tickets, deeds. The tech is boring. What matters is what the pointer means.
Impermanent Loss Explained: Why Your LP APR Lies
You put money in a Uniswap pool for 20% APR. A month later you have less than if you had just held. That gap is impermanent loss, and it is the LP tax nobody warns you about early enough.
Fundamentals
What Is A Blockchain, Really?
Not a coin. Not a company. A blockchain is a shared record that thousands of computers keep in sync. Here is how it works and why it matters.
Wallets And Keys: How You Actually Own Crypto
A wallet is not a place. It is a pair of numbers. One you share, one you never share. Understand this and you understand 90 percent of crypto security.
What Is DeFi And Why Everyone Cares
DeFi is finance rebuilt as code that runs on public blockchains. No branches, no forms, and no chargebacks. Here is what you get and what you give up.
Bitcoin vs Ethereum vs Solana: Three Chains, Three Trade-offs
Bitcoin stores value. Ethereum runs programs. Solana races for throughput. Here is the honest comparison, including where each one falls short.
History of Money and Why Bitcoin Exists
From cowry shells to gold to fiat to Bitcoin. What each form of money solved, what it broke, and why the 2008 whitepaper landed the moment it did.
Proof of Work vs Proof of Stake: How Blockchains Agree
The two ways blockchains decide what is true without a boss. One burns electricity. The other locks money. Both work. Both trade different things away.
What Is A Stablecoin? Dollars That Live On-Chain
A stablecoin is a crypto token that tries to stay pinned to a dollar. Behind that simple promise are three very different designs, one of which has failed spectacularly.
Getting Started
CEX vs DEX: Where Should You Trade?
Centralized exchanges are easy and safe until they fail. Decentralized exchanges are always open but have no safety net. Here is when to use each.
How To Buy Your First Crypto: Five Steps In The Right Order
Skip the meme coin ads. Here is the safe, boring, five-step way to get from zero to holding your first crypto in a wallet you actually control.
How To Read A Crypto Chart: Candles, Volume, And What Matters
Charts look like magic runes. They are not. A candle has four numbers. Volume tells you if a move is real. Timeframe is everything. That is 80% of it.
Portfolio
Asset Allocation and Diversification in a Crypto Portfolio
Why holding twelve altcoins is often one correlated bet wearing twelve tickers, and how to diversify across assets and across risks instead of just across ticker count.
Dollar Cost Averaging vs Lump Sum: The Honest Version
Lump sum beats DCA about two thirds of the time historically, and DCA still makes sense for most people anyway. Covers fee drag, new income vs an existing lump sum, and exit DCA.
Practical
Crypto Taxes 101: What You Owe and When
Taxable events, cost basis methods, and the receipts you need. US, EU, and UK basics plus what changes with staking, airdrops, and DeFi.
Crypto Debit Cards: How They Actually Work
Coinbase, Crypto.com, Bybit, Gnosis Pay. What settles when you tap, what fees apply, and what breaks under sanctions.
Off-Ramps: Cashing Crypto to Bank
Every path from token to bank account. CEX, P2P, gift cards, crypto cards. Fees, KYC, and jurisdictional realities.
ETF vs Self-Custody: The Honest Compare
Fees, taxes, sovereignty, and yield. When each wins and when either is the wrong answer.
Why Your Transaction History Is Already Incomplete
The specific ways exchanges, transfers, and airdrops corrupt your portfolio history, and the routine that keeps your records recoverable before you need them.
Security
Crypto Scams And How To Avoid Them
Ninety percent of crypto losses come from five patterns. Learn to spot them in ten seconds and you save yourself a career of expensive lessons.
Public vs Private Blockchains: Two Very Different Products
Not every blockchain is open to everyone. Public chains (Bitcoin, Ethereum, Solana) sell openness. Private chains (JPM Kinexys, R3 Corda) sell control. Both are real. Neither is 'more true'.
Seed Phrase Security
Twelve words that own everything. Where to store them, where not to, how to survive fire, flood, and phishing.
Hardware Wallets: Ledger, Trezor, Keystone
The vault for your keys that sits offline. Secure elements, blind signing, PSBT, air-gapped, and what the 2023 Ledger Recover episode changed.
Token Approvals and How to Revoke Them
Every DeFi interaction leaves an approval on-chain. What they let contracts do, why they get exploited, and how to audit and revoke.
Wallet Drainers: How to Recognize Them
Fake airdrops, permit signatures, malicious dApps. The exact patterns behind $600M+ stolen from users in 2024 and how to not be next.
Stablecoins
Stablecoin Types: Fiat, Crypto, and Algorithmic
The four families of stablecoin. What backs each, why algorithmic ones failed, and where the market ended up.
USDC vs USDT: Honest Comparison
The two biggest stables side by side. Reserves, transparency, freezes, chain availability, and which to use when.
PYUSD: PayPal's Stablecoin
Why PayPal launched a stablecoin, how it works, and what it means for consumer payments.
Wallets
MetaMask: The Default Ethereum Wallet
Extension architecture, RPC config, Snaps, and the built-in swap aggregator. What MetaMask actually is under the hood.
Phantom: The Solana Wallet That Went Multichain
How Phantom captured Solana and then added Ethereum, Bitcoin, and Base. UX lessons other wallets should copy.
Rainbow and Trust: Mobile-First Wallets
How Rainbow (iOS-native) and Trust (multichain mobile) target different mobile crypto users. Where each wins.
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