Basic Concepts

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What is a DAO?

DeFi

Understand Ethereum Layer 2 in One Easy Example

Security Knowledge

Beware of Scams on Telegram

Common Scams in Decentralized Finance (DeFi)

Protecting Yourself from Common Scams

Bitcoin is the asset every other crypto is measured against. It launched in January
2009 as a fixed-supply digital currency with no issuer and no central operator — 21
million coins, and no mechanism to create more. This hub collects MEXC Learn's Bitcoin
coverage, from how the supply schedule works to what actually moves the price.

New to it? Start with what makes Bitcoin scarce, how a transaction settles, and why BTC
gets described as a store of value rather than a payments network. From there the
coverage splits three ways.

Supply and monetary design. Roughly every four years the reward paid to miners halves,
cutting the rate of new issuance. The April 2024 halving dropped it to 3.125 BTC per
block. Articles here cover the halving schedule, the 21 million cap, and the UTXO model
that tracks who owns what.

Network and technology. Bitcoin still runs on proof of work, so miners compete with
hardware for the right to add each block. This track covers mining economics, hash
rate, the Lightning Network for fast low-cost payments, and inscriptions — the practice
of embedding data in individual satoshis.

Markets and institutional access. US spot Bitcoin ETFs began trading in January 2024,
giving institutions direct price exposure without holding keys. Coverage here tracks
ETF structure, halving cycle history, and how BTC trades against the rest of the market.

Every guide here explains the mechanism, not just the headline.

Ethereum is the blockchain most of crypto is actually built on. Bitcoin stores value;
Ethereum runs code — the smart contracts behind DeFi, stablecoins, NFTs, and the
majority of tokens trading today. This hub collects MEXC Learn's Ethereum coverage,
from first-principles explainers to breakdowns of network upgrades and ETF mechanics.

New to ETH? Start with how Ethereum differs from Bitcoin, what Ether is actually used
for, and why the network charges gas fees denominated in gwei. From there the coverage
splits three ways.

Network and technology. Ethereum stopped being a mined chain in September 2022, when
The Merge replaced miners with validators staking ETH. Later upgrades kept reshaping
the economics — Dencun, in March 2024, introduced blob storage and cut Layer 2
transaction costs sharply. Articles here cover proof of stake, ETH 2.0 terminology,
rollups, and what each upgrade changed in practice.

DeFi and applications. Ethereum settles trades on decentralized exchanges, collateral
in lending markets, and the liquid restaking products built on top of both. This track
explains how those mechanisms work rather than just naming them.

Markets and institutional access. US spot Ethereum ETFs began trading in July 2024,
opening ETH exposure to investors who will never touch a wallet. Coverage here tracks
ETF structure, staking yield, gas fee cycles, and how ETH trades against BTC.

Every guide is written for readers who want the mechanism, not just the headline.

Everyone starts somewhere, and crypto is unusually unforgiving of guessing. A transfer
sent to the wrong address cannot be recalled. A leveraged position can close itself
while you sleep. This hub collects MEXC Learn's beginner material in the order it is
actually useful, rather than the order it was published.

Work through it in four stages.

First, the vocabulary. What a blockchain actually records, what a wallet holds, and why
a private key is nothing like a password. Skipping this makes everything after it
harder than it needs to be.

Second, custody and security. Where your assets sit when they are on an exchange versus
in your own wallet, what identity verification is for, and how to recognise the scams
that specifically target new accounts. This stage prevents more losses than any trading
skill will.

Third, your first trade. Funding an account, what a spot order does, reading a price
chart well enough not to be misled by one, and deciding how much to start with. The
honest answer to that last question is: an amount whose total loss would change nothing
about your month.

Fourth, what to leave alone for now. Leverage, futures and high-yield offers are not
beginner tools. MEXC Learn covers all three elsewhere, and the guides here will tell you
when you are ready.

Most expensive mistakes in crypto come from skipping stages, not from picking the wrong
asset.

DeFi replaces the institutions in finance with code. Instead of a bank approving a loan
or a broker matching a trade, a smart contract does it — automatically, and visible to
anyone willing to read the chain. This hub collects MEXC Learn's coverage of how those
systems work and where they break.

New to the category? Start with what separates a decentralized exchange from a
centralized one, because that single difference determines who is holding your assets
at any given moment. From there the coverage splits four ways.

Trading and liquidity. Decentralized exchanges match trades against pooled capital
rather than an order book. This track covers automated market makers, providing
liquidity, slippage, and impermanent loss — the cost most first-time liquidity
providers fail to price in.

Lending and yield. Protocols let anyone borrow against collateral with no credit check,
because the collateral is over-provisioned and liquidated automatically when it thins.
Articles here cover lending mechanics, yield farming, and liquid staking derivatives.

Risk. DeFi's failure modes are well documented: contract exploits, oracle manipulation,
rug pulls, depegs. This track is as developed as the others on purpose. A yield figure
means very little without the risk that produced it.

Stablecoins. Most DeFi activity is denominated in them, which makes how they hold their
peg — and what happens when one does not — a load-bearing topic rather than a footnote.

Guides here explain the mechanism, not just the headline.

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