Seguridad

Clave Privada a Dirección

Deriva direcciones de Bitcoin (P2PKH) y Ethereum (EIP-55) desde una clave privada secp256k1 de 32 bytes — todo el cálculo se hace localmente

Private Key → Address

Derive Bitcoin (P2PKH) and Ethereum (EIP-55) addresses from a 32-byte secp256k1 private key

Public Key

02cf1cd82ff038171c6ebbdd78acc1bbd2dd3ad0a1ab0bc8b0dd83555bf4a3251c
04cf1cd82ff038171c6ebbdd78acc1bbd2dd3ad0a1ab0bc8b0dd83555bf4a3251ca3347fc9f589183bfb2bff7a30334d49c5ed09faf29ad991d6ed2770e0e4f8fa

Ethereum

0x3f59b0f13379FE55B6562EE60c99661556438821

Bitcoin

18Ts67LPsGffmLSn72ug4h2pkhhYcppQwf
KwFQS1T77Qtu6wTjTmL8EF4UxYUFbwGzCWNcQztTnpXepgdyKhgy
5HpfqiLWUja4CKEJn2tTZTJ6t6mh1faXdbJ8a5WLDCDqSnxB1bQ

How it works

  • BTC and ETH both use the same secp256k1 curve, so a single 32-byte key derives addresses on both chains.
  • ETH address = last 20 bytes of keccak256(pubkey_xy), then EIP-55 checksum casing.
  • BTC P2PKH = base58check(0x00 || RIPEMD160(SHA256(pubkey))).
  • WIF (Wallet Import Format) is the base58check encoding of the private key for use in Bitcoin Core / Electrum.

Never paste a real private key controlling real funds into a website.

This tool computes everything locally with no network calls, but you cannot verify that with the naked eye. Use it only for testnet keys, learning, and burner wallets.

Powered by the audited @noble/curves and @noble/hashes libraries. Pure JavaScript, no WASM, no network.

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