Understanding investments.

Investing should be accessible to everyone. Whether you're looking at traditional stock markets or the newer world of cryptocurrencies, the idea is the same: you put your money to work with the aim of growing your wealth over time.

Think of the stock market as a marketplace where, instead of groceries, you buy pieces of companies. When someone says "I own stock in Apple", they mean they own a small portion of Apple.

Companies sell shares to raise money for their business. Buy those shares and you become a shareholder: you literally own a share of the company. If the company does well, more people may want its stock, pushing the price up. Sell above what you paid and you make a profit.

It's like a house that rises in value. You don't see the extra value in your pocket until you sell, and stocks work the same way: the gain stays on paper until you decide to sell.

Over long periods, stocks have historically grown in value and often outpaced inflation, which makes them a common way to build wealth. Some also pay dividends, regular payments to shareholders from company profits.

Markets can swing sharply in the short term, but over many years they have generally trended upward. That's why stocks often form part of a long-term financial plan.

Cryptocurrency is digital money that works very differently from the money in your bank account.

Imagine sending money to anyone in the world within minutes, without a bank, without high fees, and without anyone being able to block the transfer. That's one of the core ideas behind cryptocurrency.

It runs on blockchain, a digital record of every transaction. Instead of one company keeping the record, thousands of computers around the world hold copies and work together to verify it, which makes the system very hard to cheat.

Bitcoin was the first cryptocurrency and is still the best known. Think of it as digital gold: it's scarce, no government can print more on a whim, and it can be sent across the internet.

It was introduced in 2008 by a person or group using the name Satoshi Nakamoto, whose real identity is unknown. The aim was money that doesn't depend on banks or governments. Only 21 million bitcoins will ever exist.

Owning bitcoin means holding a secret key, called a private key, that proves the coins are yours. Keep that key safe, and your bitcoin stays yours regardless of what happens to any one company or website.

If Bitcoin is digital gold, Ethereum is more like a computer that runs on the internet. It's the second-largest cryptocurrency and does far more than move money between people.

Developers can build applications on it, called dApps (decentralised applications), ranging from simple games to financial services that work without middlemen.

Its currency is Ether (ETH), used to pay for transactions and computation on the network. Like fuel for a car, Ether powers activity on Ethereum.

Stocks and crypto can move dramatically from day to day, which makes timing feel scary. Here's an approach many people find helpful.