✍️ Digital Signature Simulator

ECDSA Signing & Verification Simulator

🔑 Step 1: Key Generation

9e1726054d0fea691fb6ca6242485859ee84223da0fbc3c16b4379c312ad5a12

🛒 Step 2: Transaction Data

{ "txid": "e40d05e1cd9cd34c5c7568a13f865b0407a741d7c91cc80a6ecbd875e7bff4ae", "version": 2, "locktime": 0, "fee": 2840, "inputs": [{ "txid": "52a7a90f...8eda", "output": 1, "value": 13573179 }], "outputs": [ { "address": "38TKzmY18eAVT3wbrtcNx6...", "value": 440000 }, { "address": "bc1qkklhewvpa5fdrdvctl...", "value": 13130339 } ] }

🔏 Step 3: Digital Signature (DER Format)

Signature = Sign(SHA256(tx_data), Private Key)

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✅ Step 4: Network Verification

กด "Sign Transaction" ก่อน แล้วกด Verify