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

03b3481186e95fc129372a781299326ef76aa7c016db957595c32ba3bd54ec0584
04b3481186e95fc129372a781299326ef76aa7c016db957595c32ba3bd54ec0584399dfce95c7b552b97977b0d93e25a8a0318faff4965c3a63da473852c4c9459

Ethereum

0x758249B23787781a0D4b8e181357B80A32e9245D

Bitcoin

1FjY4oPQJLpeitqxMcQGgeFs4Kh5wPanB
L4kpgvMKG75nCrZhB4Gi6wMhe69E3MYVCTZy72xXn7s5rVsmjJTv
5KXKWSEDJ1veRtZL56Go1tjkeQNMB3qpd8NyDF3AEr8it8SE22y

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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