Transactions · Bitcoin glossary

What is Address?

A shareable payment destination derived from a Bitcoin locking condition.

Plain-English definition · Reviewed 2026-08-04
In one sentence

A shareable payment destination derived from a Bitcoin locking condition.

01

Address meaning

A Bitcoin address is a human-friendly encoding that helps a sender create the right locking script for a payment. It is not an account, a username, or a place where coins physically sit. The blockchain records transaction outputs; wallet software watches for outputs it can later unlock.

02

How it works in Bitcoin

Address formats signal the type of script a sender should build. Common mainnet formats begin with 1, 3, or bc1. Modern wallets usually create a new receive address for each payment. The wallet derives those addresses from keys under its control and monitors the network for matching outputs.

03

A simple example

If Maya displays a new bc1 address and receives 50,000 sats, the payment creates an output whose spending rules correspond to that address. Her wallet recognizes the output and includes it in her displayed balance.

04

Why Address matters

Transaction terms matter whenever bitcoin moves. Understanding them reduces mistakes involving fees, confirmation status, change outputs and irreversible destinations.

05

What people often get wrong

Check the full address and the selected network on a trusted screen. Clipboard malware can replace an address, and reusing one address makes separate payments easier to connect.

06

Quick checks before using the term

  • Is the transaction only broadcast or already confirmed?
  • Which outputs and fee are being created?
  • Can wallet policy replace or delay it?

Apply these questions to the concrete example above. A precise answer is more useful than repeating the definition without naming the actor, rule or failure path.

Check the primary reference

This entry is written in plain English, but the technical source is available when you need exact protocol detail.

Bitcoin Developer Guide: Transactions ↗