Finance · Fintech · Crypto — explained

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Guide

New to finance, fintech and crypto? Start here

Financial news assumes you already know how money, payments and markets fit together. This path builds that picture in five stages, one explainer at a time.

An open hardback book lying on a dark table
Photo: “Open book” by Honou, CC BY 2.0, via flickr.com · Edited: duotone, cropped.

The short answer

Read in this order: how money and banks work, how payments move, how blockchains work, how crypto markets trade, then who regulates them. Each stage links to explainers built from primary sources, and the glossary defines every term along the way.

Key takeaways

  1. Crypto makes more sense once you know how ordinary money and payments already work.
  2. Each stage below takes about an hour of reading and links to the next.
  3. Every explainer cites its sources, so you can check any number yourself.
  4. Nothing on this path is investment advice; it explains how things work, not what to buy.

Why start with money and banks rather than crypto?

Most of the money people use is not cash. It is bank deposits, and the Bank of England has explained that commercial banks create most of that money when they make loans1. Crypto projects describe themselves against this system: stablecoins copy the dollar, blockchains try to replace bank ledgers, and regulators reach for banking rules. Without the baseline, the comparisons are hard to judge.

Stage 1 — How money works

  1. 1

    How banks create money

    Start with how banks create money: deposits, loans and the role of the central bank.

  2. 2

    How interest rates work

    Then read how interest rates work and why central banks move them.

  3. 3

    What inflation does to savings

    Finish with inflation explained and try the inflation calculator.

How does money actually move between people?

Before blockchains promised faster payments, card networks and instant payment systems were already moving money. Knowing how they work tells you which crypto claims are new and which are old problems with a new label.

Stage 2 — Payments and fintech

  1. 1

    How card payments work

    Read how card payments work to meet issuers, acquirers and networks.

  2. 2

    Instant payments

    Then real-time payments explained covers systems that settle in seconds.

  3. 3

    Open banking and neobanks

    Open banking and neobanks show how apps plug into the banking system.

What is a blockchain, in plain terms?

The Bitcoin white paper proposed a payment system that works without a trusted intermediary by having a network of computers agree on a shared history of transactions2. Almost every crypto-asset since then builds on that idea, so understanding it once pays off across the whole site.

Figure · The five-stage reading path

The five-stage reading path01Moneybanks, rates,inflation02Paymentscards, instant,apps03Blockchainsblocks, keys,consensus04Marketsorders,liquidity, ETFs05Rulesregulators andlaws
  1. 01Moneybanks, rates, inflation
  2. 02Paymentscards, instant, apps
  3. 03Blockchainsblocks, keys, consensus
  4. 04Marketsorders, liquidity, ETFs
  5. 05Rulesregulators and laws

Stage 3 — How blockchains work

  1. 1

    The core idea

    How blockchain works covers blocks, hashes and nodes.

  2. 2

    Agreement

    Proof of work vs proof of stake explains how networks agree.

  3. 3

    Keys and wallets

    Crypto wallets and keys explains who really controls funds.

How do crypto prices get set?

Crypto prices come from trading platforms that match buyers and sellers. The SEC's investor education site notes that a market order fills at or near the current bid or ask, not necessarily at the last traded price3. That single fact explains a lot of beginner surprises.

Stage 4 — Crypto markets

  1. 1

    The market's structure

    How crypto markets work maps the platforms and participants.

  2. 2

    The order book

    Order books explained shows how a price is formed.

  3. 3

    Stablecoins and ETFs

    Stablecoins and spot bitcoin ETFs link crypto to the dollar and to Wall Street.

Who protects you, and when are you on your own?

Protection depends on who regulates the firm you use. In a 2023 investor alert the SEC warned that crypto platforms may lack important investor protections4. The last stage explains the main rulebooks and how to check a firm yourself.

Stage 5 — Rules and regulators

  1. 1

    Who regulates what

    SEC vs CFTC and MiCA cover the US and the EU.

  2. 2

    Check before you trust

    How to check a regulated firm walks through the official registers.

  3. 3

    Know the risks

    Read our risk disclosure before acting on anything you learn.

Risk warning

Education, not advice

This path explains how things work. It does not tell you what to buy, and crypto-assets can lose all of their value.

Frequently asked questions

How long does the whole path take?

Each explainer takes roughly 7 to 9 minutes to read, so the five stages fit into a few evenings. You can stop after any stage.

Do I need any maths?

No. Where numbers matter, the explainers show worked examples, and the calculators in our Tools section do the arithmetic and show the formula.

Can I skip straight to crypto?

You can, but the crypto pages often compare things to banks, cards and markets. If a comparison does not make sense, come back to stages one and two.

Where do I look up a word I do not know?

Use the glossary, which defines terms in one or two sentences and links to the full explainer.

The bottom line

Read the stages in order: money, payments, blockchains, markets, rules. Each one makes the next easier, and every page cites the documents behind it so you can check what you read.

Sources

  1. Money creation in the modern economy (Quarterly Bulletin 2014 Q1) — Bank of England, 2014 Primary source
  2. Bitcoin: A Peer-to-Peer Electronic Cash System — Satoshi Nakamoto, 2008 Primary source
  3. Types of Orders — Investor.gov, U.S. Securities and Exchange Commission Primary source
  4. Exercise Caution with Crypto Asset Securities: Investor Alert — Investor.gov, U.S. Securities and Exchange Commission, 2023 Primary source

How we checked this page: every figure above links to the numbered source it came from. Spotted an error? Tell the desk — see our editorial policy.

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