Bitcoin

Bitcoin address

By Paul Brock·Updated on 22-04-2026
TL;DR

A Bitcoin address is a 26-62 character string acting as destination for a Bitcoin transaction, derived from a public key or script.

Bitcoin addresses come in four common formats: legacy P2PKH (1..., 1.0), P2SH (3..., for multisig and P2SH-SegWit), native SegWit (bc1q..., BIP84) and Taproot (bc1p..., BIP86). Each address should be used only once for privacy; modern HD wallets auto-generate new addresses per receive.

Example

Typical modern receive addresses: bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh (SegWit) or bc1p5d7rjq7g6rdk2yhzks9smlaqtedr4dekq08ge8ztwac72sfr9rusxg3297 (Taproot).

Frequently asked questions

Can I reuse the same address?

Technically yes, privacy-wise no. Multiple payments to the same address make your UTXOs linkable. Modern wallets auto-generate a new address per payment.

Related terms

Public keyBech32SegWitTaprootMultisig

Further reading

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