Cryptocurrency is a digital asset that uses cryptography and a computer network to record and verify transfers of value. Many cryptocurrencies use a blockchain, which is a shared ledger updated by network participants according to agreed rules. A person can send cryptocurrency to another person without using a conventional bank to record the transaction, though people often rely on exchanges or other providers to buy, sell, or hold it. Cryptocurrency is generally controlled through digital credentials called private keys rather than through possession of a physical coin. It is not the same as U.S. dollars or a bank deposit. Its market value and practical protections depend on the specific asset and how it is held.
Table of Contents
- How Does a Cryptocurrency Transaction Work?
- What Kinds of Cryptocurrency Are There?
- What Are Cryptocurrency Wallets and Private Keys?
- What Risks and U.S. Tax Rules Should Users Know?
- How Can Cryptocurrency Affect Contingent Workforce Payments?
How Does a Cryptocurrency Transaction Work?
A transaction begins when a user’s wallet creates a request to send an amount of cryptocurrency to a destination address. The wallet uses a private key to digitally sign the request. This provides evidence that the sender is authorized to spend the asset. The request is then shared with computers on the network, often called nodes, which check it against the system’s rules.
Valid transactions are added to the network’s record through a process called consensus. In a blockchain, transactions are grouped into blocks that link cryptographically to earlier blocks. This structure helps make changes to recorded transactions detectable. It does not make every cryptocurrency system identical or guarantee that every transaction is reversible or risk-free. Networks set their own validation rules and may use different consensus methods. NIST’s overview of blockchain technology explains how shared ledger copies are updated according to network validation and consensus rules.
Once the network records a transfer, the recipient’s address reflects control of the transferred units under that network’s rules. Confirmation speed and fees vary by network and can change with activity. A payment sent on the wrong network or to an incorrect address may be difficult or impossible to recover. Before sending a payment, users should check the destination address and confirm that the recipient can receive assets on the selected network.
What Kinds of Cryptocurrency Are There?
Cryptocurrency is an umbrella term rather than a single product. Bitcoin is one well-known example. Other cryptocurrencies may be associated with networks that support smart contracts. These are programs that carry out specified actions when conditions are met. A token can also represent access to a service or another kind of digital value. The asset’s design and the network it uses help determine how it functions.
Stablecoins are designed to keep a value linked to another asset, often the U.S. dollar. The design may use reserves or other mechanisms to support that link, but a stablecoin is not automatically a dollar, a bank deposit, or a guarantee of redemption at a fixed value. Users should look at how a particular stablecoin is issued and what redemption arrangements apply. The link can also be affected by market conditions or by the issuer’s ability to meet its obligations.
People may hold or transfer cryptocurrency as an investment or payment method. They may also use it with applications built on a blockchain. Acceptance is not universal. The term does not settle an asset’s legal status either. Some crypto-related offerings may involve securities while others may not. The SEC’s investor information on crypto asset securities describes risks that can apply when an offering or service is subject to securities laws.
What Are Cryptocurrency Wallets and Private Keys?
A cryptocurrency wallet usually does not contain coins in the way a wallet holds cash. Instead, it stores or manages information needed to access assets recorded on a network. A public address can be shared to receive a transfer. A private key authorizes transfers from the associated address. Anyone who obtains control of that key may be able to move the assets.
With self-custody, the user controls the keys through a personal wallet or another secure setup. That offers direct control but also means the user must protect devices and recovery information. If the key or recovery phrase is lost and no usable backup exists, access may be permanently lost. Users should understand how a wallet backs up its keys before relying on it to hold assets.
With third-party custody, a provider controls or safeguards the keys on the user’s behalf. This can make access more familiar, but it creates dependence on the provider’s security and operating practices. A user may also face limits on withdrawals or other account terms. Before choosing an approach, consider who can authorize a transfer and how access can be restored. It is also useful to understand what happens if a device or service becomes unavailable.
What Risks and U.S. Tax Rules Should Users Know?
Cryptocurrency can lose value quickly and may be difficult to sell at a desired time or price. Users also face risks from scams and compromised devices. Software errors or network congestion can create additional problems. Lost credentials may prevent access to assets. Transactions recorded on a public blockchain may be visible even when an address does not directly identify its owner. Holding an asset through a platform also does not necessarily provide the same protections as holding an insured bank deposit.
For U.S. federal tax purposes, the IRS treats digital assets as property. Selling or exchanging cryptocurrency can produce a gain or loss. Using it to pay for goods or services may also count as a disposition. The tax result depends on the transaction and the asset’s basis. Keep records of dates, amounts, and values so transactions can be reported accurately. The IRS digital assets guidance explains federal reporting considerations.
Cryptocurrency received for work is generally income measured at its fair market value in U.S. dollars when received. The tax handling differs by work relationship. Cryptocurrency paid as employee wages is subject to applicable federal withholding and employment taxes and is reported on Form W-2. Payment to an independent contractor is generally business income and may be subject to self-employment tax. These federal tax points do not resolve every state or local requirement.
How Can Cryptocurrency Affect Contingent Workforce Payments?
A business might encounter cryptocurrency when a contractor requests payment in digital assets or when a role involves compensation tied to a token. The payment method does not determine whether a person is an employee or an independent contractor. Classification depends on the actual working relationship and applicable law. For organizations using a contingent workforce, it is important to address classification before deciding how compensation will be paid.
If cryptocurrency is part of compensation, the parties should be clear about what the agreement promises. It might specify a U.S. dollar amount converted into cryptocurrency at a defined time. Alternatively, it might promise a fixed number of tokens. The arrangement should also explain how value is determined and how fees or payment errors are handled. These details matter because the asset’s value can change between agreeing on compensation and completing a transfer. The parties should also decide how they will verify that a transfer has been completed.
Payroll processes need to account for the tax value of cryptocurrency when it is received. For employees, the IRS says its fair market value is subject to applicable federal income tax withholding, FICA, and FUTA taxes and must be reported on Form W-2. A company must therefore consider how required withholding and reporting will be handled even if some compensation is transferred as a digital asset. For contractors, accurate records of the value received support income reporting. A contingent workforce program can use its established worker and payment records to document the arrangement without treating cryptocurrency as a substitute for classification or payroll responsibilities.
