web3: XRPL接取萬事達授權標準擴充AI支付
Coinpaper
07-26 01:50
Ai Focus
XRPL 引入萬事達 Verifiable Intent 標準,為 AI 代理支付增加授權證明、額度控制和結算前風控。
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XRPL 正在把 AI 代理支付推向更接近企業使用的場景。負責 XRPL x402 Facilitator 的 t54 表示,基於 XRPL 的 AI 支付現已支援萬事達的 Verifiable Intent 標準,在鏈上轉帳前加入授權證明和風險校驗。

付款前先驗證授權

這項整合的核心,是讓開發者為 AI 發起的付款附加可驗證的授權憑證。與一般錢包簽名不同,系統不僅能證明是誰批准了這筆支付,還能標明可用額度、適用條件,以及該授權對應的特定購買行為。

相關憑證會先進入 x402 Facilitator,再被送到 Trustline 的風險引擎進行檢查。只有在通過預設規則驗證後,付款才會進入最終結算流程。這意味著資金真正上鍊前,會多一道機器可讀的審查環節。

三層憑證核驗付款條件

這套機制建立在萬事達 Verifiable Intent 框架之上,屬於其 Agentic Commerce 計畫的一部分。系統採用三層 SD-JWT 憑證結構,分別對應 L1、L2 和 L3。

  • L1:確認是誰授權付款
  • L2:確認額度或限制條件
  • L3:確認被批准的具體交易

透過這三層訊息,AI 代理不再只依賴錢包控制權完成支付,而是能攜帶一組可驗證的授權條件。這類設計主要用於降低鏈上交易不可逆所帶來的操作風險。

XRPL繼續擴展AI支付場景

Verifiable Intent 並不是強制要求。未附加相關憑證的 x402 支付流程仍可照常運作。只有在交易附帶完整的 L1 至 L3 憑證時,XRPL Facilitator 才會自動提交給 Trustline 進行驗證。

今年稍早,XRPL 已引入 x402,允許 AI 代理使用 XRP 或 Ripple 推出的 RLUSD 穩定幣,為 API、AI 推理、雲端運算、訂閱等數位服務付款。此次接取萬事達標準後,XRPL 的 AI 支付流程進一步向企業級場景靠攏。

RippleX 工程負責人先前也預計,未來幾年 XRPL 上的代理型交易量可能從目前約 100 萬筆,增至 1,000 萬至 1 億筆區間。 t54 此次接取的授權與風控模組,正是為這類自動化支付成長做基礎設施準備。

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