Cryptocurrency
A cryptocurrency is a digital asset that uses cryptography and blockchain or distributed-ledger technology to record ownership and transfers. Cryptocurrencies can be used for payments, investment, trading, network fees, governance, staking, or access to blockchain applications.
✦ Key Insight
Cryptocurrency is the broad category that includes assets such as Bitcoin and Ether, as well as many other blockchain-based coins and tokens. Understanding the term helps beginners distinguish crypto assets from traditional currencies, company shares, and purely digital payment balances. Cryptocurrencies can be highly volatile, and different assets have very different technical designs, supply rules, governance models, and risks.
✕ Common Misconceptions
Treating all cryptocurrencies as technically identical
Assuming every crypto asset is decentralised
Confusing coins with tokens
Buying based only on price
Ignoring custody and network risk
Assuming crypto transactions are always private
Detailed Explanation
How It Works
A cryptocurrency typically relies on a distributed network of computers that maintains a shared record of transactions.
Users control assets through cryptographic keys. Transactions are broadcast to the network, validated according to the protocol's rules, and recorded on the ledger.
Some cryptocurrencies operate on their own blockchain. Others exist as tokens issued on top of another blockchain.
FAQs
Is cryptocurrency the same as blockchain?
No. Blockchain is the underlying ledger technology, while cryptocurrency is an asset that can operate on it.
Are all cryptocurrencies used as money?
No. Some are designed mainly for network utility, governance, collateral, or other functions.
In Practice
Dig Deeper
Token
A token is a digital asset built on top of an existing blockchain rather than having its own independent blockchain.
Blockchain
A blockchain is a decentralized digital ledger that records transactions in blocks, links those blocks together, and makes the record difficult to alter.
Bitcoin
Bitcoin is a decentralised digital currency and blockchain network introduced in 2009. Its native asset is bitcoin, commonly represented by the ticker BTC. Bitcoin allows users to transfer value directly across its network without requiring a central bank or payment company to approve each transaction.
Ethereum
Ethereum is a programmable blockchain network designed to support smart contracts and decentralised applications. Its native cryptocurrency is Ether, or ETH.