Walking crypto beginners through it · from the basics to saving on fees

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Crypto basics: from zero to one, the few things to get straight first

You're probably here because you heard people talking about crypto, or a headline made you curious. This guide won't tell you to buy today. It lays out the few things a beginner most needs to know, so you can step forward feeling sure of yourself.

2026-06-02 · Xiaoyumi editorial team · Ami · about 12 min

Crypto basics: from zero to one, the few things to get straight first

Most crypto content online is either too technical (blockchain and consensus mechanisms in the first breath) or too hyped (showing off profits, telling you to pile in). This is neither. We'll assume you have no background at all and just want to know: what is this thing, how do I start, and will I get burned? Get these few things clear, and you're no longer a "total beginner".

What crypto actually is

In one line: it's a digital asset recorded on a network, backed by no bank or government. Bitcoin (BTC) was the first and most famous; Ethereum (ETH) is the second largest. Think of them as something "anyone in the world can buy and sell, with a price that rises and falls on its own" — some people treat it as a long-term investment, some trade it short-term, and some just buy a little out of curiosity and hold it.

There's also a category called stablecoins (the most common being USDT and USDC), whose price is pegged to roughly one US dollar. They mostly act as "go-between money": you usually convert your local currency into USDT first, then use that USDT to buy other coins. As a beginner, remembering the three names BTC, ETH and USDT is enough to start.

Why buying and selling go through an "exchange"

To buy stocks you go through a broker; to buy crypto you go through an exchange. That's the place that matches buyers and sellers, holds your assets for you, and provides the app and web interface. Without an exchange, an ordinary person has almost no easy way to buy their first coin.

There are several major exchanges, each with its own strengths — some have huge volume and a wide range of coins, some have a smooth interface with a built-in on-chain wallet, some are known for copy trading or futures. As a beginner you don't need to agonize over "which is best"; just pick one or two major ones and get started (the ones we use are listed in the sidebar on the right — click in and you can sign up). The point was never which one you choose, it's getting the flow working first.

Quick tip: when you sign up at any exchange, watch for the "invite / referral code" field — fill it in and you get a long-term fee discount; leave it blank and you basically can't add it later. The codes for the exchanges we use: Binance / OKX / Bitget / Bybit use GOD166, and Gate.io uses GATEOKKK (all in the right sidebar).

Before you start, get clear on the risks

This part matters most, so please don't skip it.

  • The price swings hugely. Ten-something percent moves in a day are common, and a small coin going to zero overnight isn't rare. Don't use money you need for next month's rent.
  • There's no "sure thing". Anything promising protected principal, high interest, or a guided path to certain profit is basically a scam. Remembering this one rule helps you dodge ninety percent of the traps.
  • Futures and leverage are another world. They can magnify gains, and they can wipe out your capital in minutes. While you're a beginner, don't touch them — get comfortable with spot (buying coins directly) first.

Set yourself one line: "If this money is wiped out, it won't affect my normal life." Use money inside that line to learn and to try, and you won't be jerked around by the market.

A beginner's first step, in detail

You don't have to understand everything at once. Follow this order and you'll be steady:

  1. Open an account at a major exchange. Pick a major one (lots of guides, less likely to get stuck), sign up, and finish verification as prompted. Enter the invite code at the sign-up step.
  2. Fund a small amount. Move in a small sum you can completely afford to lose, and get familiar with how funding works and how long it takes to arrive.
  3. Buy once, then sell once. Use spot to buy a bit of BTC or USDT, then sell it, running the whole "buy — hold — sell" loop once. This single step clears away most of the unfamiliarity.
  4. Try a withdrawal once. Send a small amount out to another account or wallet, confirming you have the ability to "get the money out". You only feel secure when money can go in and come out.

Finish these four steps and you already understand more than the vast majority of people who "only watch and never do". The rest is slowly building up your judgment.

📋 Editorial hands-on · 2026-05-26

That day at 21:40 we used a fresh email on the exchange's web interface to go from sign-up to a first buy: signing up and entering the invite code took about 2 minutes, verification cleared in a few minutes at the time, and once the funds arrived we bought $10 worth of BTC on spot and sold it again — roughly 12 minutes start to finish. The biggest takeaway: actually doing the whole thing once beats reading ten how-tos.

What fees are about, and how to save

An exchange charges a small fee on each trade's value (a common spot rate is around 0.1%). One trade isn't much, but the more you trade, the more it acts like an invisible little leak.

Saving on fees comes down to two things: first, don't buy and sell pointlessly; second, enter an invite code at sign-up to get the discount. That discount is locked in at the moment you register and usually can't be added once the account exists — so those ten seconds are worth it. For the difference between maker and taker orders, see what maker and taker orders are; for rebates, how much an invite code saves and where to enter it, see invite codes and rebates.

The three traps beginners fall into most

Trap one: clicking a fake "official site". An exchange has only one entrance. Anyone DMing you or posting "the latest official site" or "support will help you unfreeze it" in a group is basically phishing. Get into the habit of only entering via your own saved bookmark.

Trap two: opening futures right away. As said above, leverage can take you to zero in minutes. If you haven't mastered spot, don't touch it.

Trap three: going all in on someone's call. The profits people show off don't show you the part where they lost. Put a question mark over anything urging you to "get in and out fast and get rich now".

A few common questions

With no background at all, can I understand it?
Yes. You don't need the technology. Keep in mind "high volatility, go through an exchange, high-risk so don't go all in" and learn the rest as you go.

What should a beginner's first step be?
Open an account at a major exchange, finish verification, and use a tiny amount to run through buying, selling, funding and withdrawing once.

How do I save on fees?
Fewer pointless trades + an invite code at sign-up for a long-term discount (which can't be added later).

When you're ready, start by opening an account

Understanding it is no match for doing it. Pick a major exchange, enter the invite code when you sign up, and run through the flow with small money — finish that and you've truly started. The ones we use are all in the right sidebar.

Binance / OKX / Bitget / Bybit invite code GOD166 · Gate.io invite code GATEOKKK

This is independent editorial content from Xiaoyumi Academy and contains exchange referral (affiliate) links: if you sign up and trade through our links, we may earn a commission and you get a matching fee discount — this is the site's only income and it doesn't shape our judgment. This site is not the official website of Binance, OKX, Bitget, Bybit or Gate.io. Crypto prices are highly volatile and you can lose all of your capital; this article is for educational reference only, is not investment advice, and you should decide for yourself in line with the laws of your region. If any figures are updated, you'll see it in the corrections log.