Bitcoin intelligence

Bitcoin Address Lookup

Check a Bitcoin address for known public entity attribution and readable labels. CryptoLabel returns context, not balances, transactions, or proof of ownership.

Legacy and SegWit
UTXO model
No API key

Live lookup

Enter a public Bitcoin address

Address format

Bitcoin address formats accepted by the lookup

The form validates mainnet Bitcoin address shapes before opening a result. A valid format only identifies the address encoding; it does not identify its controller.

1...: Legacy Pay-to-Public-Key-Hash address
3...: Script address, commonly used for nested SegWit
bc1q...: Native SegWit address
bc1p...: Taproot address

Response model

Labels add context to a UTXO address

Bitcoin activity uses unspent transaction outputs rather than account balances in the Ethereum sense. CryptoLabel keeps that chain model separate from attribution and returns any known presentation entity and labels as explicit fields.

Explore the labeling API

{
  "query": {
    "chain": "bitcoin",
    "address": "34xp4vRoCGJym3xR7yCVPFHoCNxv4Twseo"
  },
  "address": {
    "type": "unknown",
    "model": "utxo"
  },
  "entity": {
    "name": "Binance",
    "category": "exchange"
  },
  "labels": [
    {
      "type": "exchange_cold_wallet",
      "sourceType": "public",
      "status": "active"
    },
    {
      "type": "high_volume",
      "sourceType": "public",
      "status": "active"
    }
  ]
}

Interpretation

What the result does and does not establish

01

An exchange label describes known service infrastructure, not the identity of every person who sent funds to it.
02

One organization can operate many addresses, and an address role may change over time.
03

An empty result means CryptoLabel has no current attribution; it is not evidence that an address is safe or private.

Questions

Bitcoin lookup, precisely defined

Can a Bitcoin lookup reveal the owner?: It can return a known public entity attribution, such as a service or exchange. It cannot identify every natural person behind an address.
Does this lookup show a Bitcoin balance?: No. CryptoLabel focuses on address type, blockchain model, presentation entity, labels, and provenance metadata.
What does an exchange label mean?: It means available attribution associates the address with exchange infrastructure and a specific address role when known.