Don't invest unless you're prepared to lose all the money you invest. This is a high-risk investment and you should not expect to be protected if something goes wrong. Risk Statement

2.5 Understanding Altcoins: How Other Cryptoassets Work

Understanding Altcoins and Other Cryptoassets
What you will understand after this chapter
  • The main categories often used to describe cryptoassets other than Bitcoin (such as smart‑contract platforms, DeFi tokens, stablecoins, meme coins, utility and governance tokens).
  • Why token design, including supply and distribution (“tokenomics”), can affect how a cryptoasset behaves and the risks involved.
  • How to think about differences between more established projects and highly speculative tokens, without this being a recommendation to buy any of them.
  • The role of smart contracts in enabling decentralised applications, including DeFi – and why these areas can be especially high risk.
What are altcoins?
“Altcoins” is an informal term people use for cryptoassets that are not Bitcoin. These include assets that power smart‑contract platforms and decentralised applications, tokens used in DeFi protocols, stablecoins that aim to track a reference asset, meme coins driven by online communities, and many more.
Altcoins vary widely in purpose, design and risk. Many have failed or lost most of their value over time, and scams and “rug pulls” are common. Understanding the basic categories can help you recognise what you are looking at, but it does not make any altcoin safe or suitable for you.
Smart‑contract platforms (Layer 1 and Layer 2)
Some blockchains are designed to host smart contracts and decentralised applications (dApps), not just simple transfers of value. Their native tokens are used to pay transaction fees and sometimes for network governance or staking.
Different platforms emphasise things like transaction speed, energy use, security or formal verification. However:
  • Higher speed can sometimes come with trade‑offs in decentralisation or security.
  • All such platforms are technically complex and can suffer from bugs, hacks, design flaws or changing economic incentives.
  • Competition between platforms means that many may not achieve long‑term adoption.
Examples often discussed in this category include networks such as Ethereum or other smart‑contract chains. Mentioning them here is for illustration only and is not a recommendation.
DeFi‑related tokens
Decentralised finance (DeFi) uses smart contracts to offer services such as lending, borrowing, trading or yield strategies without traditional intermediaries. Tokens linked to these protocols can serve multiple roles (governance, incentives, fee sharing, etc.).

DeFi can be especially high risk because:

  • Smart contracts can contain errors or vulnerabilities that allow funds to be stolen or lost.
  • Protocols can fail, be mis designed, or be governed in ways that harm some users.
  • Yields can change rapidly and may be driven by token incentives rather than sustainable economics.

Specific token names are often associated with particular protocols, but simply being part of DeFi does not mean a project is robust or that returns will continue.
Stablecoins
Stablecoins are cryptoassets that aim to maintain a relatively stable value, often by being linked to a fiat currency such as the US dollar or British pound. They are used as a way to hold value on‑chain with less price movement than many other cryptoassets.

Important points:
  • Stability is a goal, not a guarantee. Some stablecoins have lost their peg or collapsed entirely.
  • Risks include the quality and transparency of reserves, operational failures, regulatory actions and governance issues.
  • Even widely used stablecoins can face issues, and they are generally not covered by deposit protection schemes.

Any brand examples are for context only, not endorsements.
Meme Coins
Meme coins are tokens associated with online jokes or cultural references and often gain attention through social media and community hype.
Key risks:
  • Their value can depend heavily on sentiment and trends, and can change dramatically in a short time.
  • Many have little or no underlying utility or revenue and are extremely speculative.
  • They can be subject to pump‑and‑dump schemes, insider holdings and sudden collapses.
Meme coins are among the highest‑risk parts of the crypto market and will be unsuitable for many people.
Utility and governance tokens
Utility tokens are intended to give access to services or features in a particular ecosystem (for example, paying fees or using specific dApps). Governance tokens may allow holders to vote on protocol parameters, treasury use or upgrades.
In practice:
  • The link between token “utility” and long‑term value is often weak or uncertain.
  • Governance processes may be dominated by large holders or insiders.
  • Regulatory treatment can be complex and may change.
Owning these tokens does not usually give you legal ownership rights in a company or clear recourse if things go wrong.
Privacy focused Cryptoassets
Some cryptoassets use techniques designed to make transaction details harder to trace on‑chain, to address concerns about public transparency.
While they may increase privacy for users, they can also attract additional regulatory and compliance scrutiny, and in some jurisdictions are subject to restrictions or heightened monitoring. This can affect liquidity, exchange support and legal treatment.
Tokens linked to real‑world assets (often called “security tokens”)
Some projects issue tokens that are intended to represent interests in real‑world assets (such as property, equity or debt). The idea is to combine aspects of traditional finance with blockchain‑based record‑keeping.
However:
  • These tokens may fall within existing securities or financial services regulation, which can be complex and jurisdiction‑specific.
  • Legal rights and investor protections depend on how the product is structured in law, not just how it is marketed.
  • Liquidity may be limited, and secondary markets may not function as expected.
Again, understanding the concept does not make any specific token low risk or appropriate.
Token design and “tokenomics”
People often talk about “tokenomics” to describe how a token is created, distributed and used (for example, supply limits, emission schedules, team and investor allocations, and incentives).
Points to consider:
  • Large allocations to insiders or early investors can create selling pressure when lock‑ups end.
  • Very high promised yields or aggressive emissions can be a warning sign rather than a benefit.
  • A clever design on paper does not guarantee real‑world demand or long‑term sustainability.
  • Even projects with apparently thoughtful tokenomics can fail or see their tokens lose most or all of their value.

Bringing it together
Altcoins show how broad and experimental the cryptoasset space has become, from smart‑contract platforms and DeFi protocols to stablecoins, meme coins, privacy‑focused assets and tokens linked to real‑world rights.
This variety also means a wide spread of risk, with many projects being highly speculative, some outright fraudulent, and very few having long track records. For most people, altcoins are likely to be significantly higher risk than more established financial products.

Nothing in this chapter is a recommendation to buy, sell or hold any altcoin or other cryptoasset. Its purpose is to help you recognise different categories and key risk factors so that, if you encounter these assets, you can approach them with appropriate caution.



FCA Registered Cryptoasset Exchanges

Cryptoassets are high-risk and unregulated; verify on FCA register.

eToro logo

eToro

Multi-asset platform with copy trading; crypto, stocks, ETFs and more.

Go to website
Revolut logo

Revolut

Revolut X exchange: 100+ tokens, 0% maker fees, integrated with your account.

Go to website
Coinbase logo

Coinbase

FCA-regulated exchange in the UK; trading, staking and stablecoins.

Go to website
Crypto.com logo

Crypto.com

Buy, sell and trade crypto in GBP; optional DeFi wallet, 140M+ users worldwide.

Go to website
Kraken logo

Kraken

490+ cryptocurrencies, spot and Kraken Pro; GBP, EUR and USD supported.

Go to website
Bitpanda logo

Bitpanda

Multi-asset investing: crypto, stocks, ETFs, metals and commodities in one app.

Go to website