SwapChan

Blackcoin (BLK) address validator

Paste a Blackcoin address to check its checksum and format and see which address type it is. Below: how BLK addresses are built, an example, and the chains it can be confused with.

BLK address format

Legacy (P2PKH)
Base58Check with version byte 25 (0x19); for example Bโ€ฆ.
Script (P2SH)
Base58Check with version byte 85 (0x55); for example bโ€ฆ.
Checksum
Double SHA-256, as in Bitcoin.

Public examples

  • BDU4zj6apurZ7YWNxsndaTt75PMgzvwbN4 (P2PKH)
  • bVBPehMs2zB8d3vLtHJ7epkesDQJJ9D7Ek (P2SH)

Good to know

BLK amounts use 8 decimal places: 1 BLK = 10^8 base units.

Its SLIP-44 coin type is 10, so BIP-44 style wallets derive it under m/44'/10'/โ€ฆ.

Public explorers: chainz.cryptoid.info.

This page checks address formats only. It never asks for a private key or seed phrase. Want to know if an address still holds funds? Try find money (coverage is listed there). Lost the wallet app? See the recovery guides.

FAQ

How do I check a Blackcoin address is valid?
Paste it into the checker on this page. It verifies the checksum and the version byte or bech32 prefix for Blackcoin and says which address type it is, or why it fails.
What does a Blackcoin address look like?
Base58Check (version byte 25 / 85). Try it with the public example BDU4zj6apurZ7YWNxsndaTt75PMgzvwbN4.
Is it safe to paste my Blackcoin address?
Yes. An address is public. The checker only reads the string you paste; nothing is stored, and it never asks for a private key or seed phrase.
How many decimals does BLK have?
8. The smallest unit is 1/10^8 BLK.

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