Ethereum Payment 二維碼產生器：常見錯誤與修復方法

使用方法

1. 先檢查輸入編碼——多餘的位元組順序標記或非 UTF-8 貼上會在工具執行之前就破壞結果。
2. 留意無聲截斷：如果輸出長度是可疑的整數，說明有內容被切掉了。
3. 確認你改動的選項正是任務所需；殘留的預設值是「結果看似合理卻錯誤」的最常見原因。
4. 先用你能手工驗證的最小輸入重跑，再把真實資料加回去。

範例

EIP-681 ethereum: URI; the address must be 0x plus exactly 40 hex characters.

輸入

0x742d35Cc6634C0532925a3b844Bc454e4438f44e

輸出 — 搜尋結果

<div class="qr-out">
  <div class="qr-preview"><img src="data:image/png;base64,iVBORw0KGgo=" alt="QR code" width="256" height="256" style="max-width:100%;height:auto;image-rendering:pixelated"></div>
  <div class="qr-meta">
    <table class="tb-table"><tbody>
      <tr><th>Detected type</th><td>Ethereum</td></tr>
      <tr><th>Version</th><td>5 (37×37 modules)</td></tr>
      <tr><th>Error correction</th><td>M</td></tr>
      <tr><th>Quiet zone</th><td>4 module(s)</td></tr>
      <tr><th>Payload size</th><td>77 bytes (UTF-8)</td></tr>
      <tr><th>Contrast</th><td>21.00:1</td></tr>
      <tr><th>Validation</th><td class="bad">WARNING</td></tr>
      <tr><th>Render → decode self-test</th><td class="bad">FAILED (decoded ≠ payload)</td></tr>
    </tbody></table>
    <table class="tb-table"><tbody><tr><th>address</th><td>0x742d35Cc6634C0532925a3b844Bc454e4438f44e</td></tr><tr><th>value</th><td>1000000000000000000</td></tr></tbody></table>
  </div>
</div>
<div class="qr-payload"><strong>Payload</strong><pre class="ex-io">ethereum:0x742d35Cc6634C0532925a3b844Bc454e4438f44e?value=1000000000000000000</pre></div>
<div class="qr-issues"><p class="">⚠ Address uses mixed case, which implies an EIP-55 checksum; verify it before accepting payment.</p></div>
<div class="qr-warn"><p>⚠ Address uses mixed case, which implies an EIP-55 checksum; verify it before accepting payment.</p></div>
<div class="tb-btns qr-actions">
  <button class="btn btn-primary" data-qr-dl="png">Download PNG</button>
  <button class="btn" data-qr-dl="svg">Download SVG</button>
  
  <button class="btn" data-qr-copy="payload">Copy payload</button>
  <button class="btn" data-qr-copy="svg">Copy SVG</button>
  <button class="btn" data-qr-copy="image">Copy image</button>
  <button class="btn" data-qr-print>Print</button>
</div>
<p class="ex-note">Generated and verified entirely in your browser. No data is uploaded.</p>

執行

說明

Generate an EIP-681 ethereum: URI QR code with address, value and gas limit, validating the 0x + 40 hex format.

Ethereum Payment 二維碼產生器 → · 使用方法 → · qr →

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