HD Wallet Simulator
Explore hierarchical deterministic key derivation
1. Generate Entropy & Mnemonic
2. Seed Derivation
Mnemonic + passphrase -> PBKDF2 (2048 rounds) -> 512-bit seed
Seed (512-bit)
Generate a mnemonic first
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Master Private Key (from HMAC-SHA512 of seed)
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3. HD Derivation Tree (BIP-44 Ethereum)
Path: m / purpose' / coin_type' / account' / change / address_index
4. Sign & Verify Message
Signature (simulated ECDSA)
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