web3: XRPL接入万事达授权标准扩展AI支付
Coinpaper
07-26 01:50
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XRPL 引入万事达 Verifiable Intent 标准,为 AI 代理支付增加授权证明、额度控制和结算前风控。
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XRPL 正在把 AI 代理支付推向更接近企业使用的场景。负责 XRPL x402 Facilitator 的 t54 表示,基于 XRPL 的 AI 支付现已支持万事达的 Verifiable Intent 标准,在链上转账前加入授权证明和风险校验。

支付前先验证授权

这项集成的核心,是让开发者为 AI 发起的付款附加可验证的授权凭证。与普通钱包签名不同,系统不仅能证明是谁批准了这笔支付,还能标明可用额度、适用条件,以及该授权对应的具体购买行为。

相关凭证会先进入 x402 Facilitator,再被发送至 Trustline 的风险引擎进行检查。只有在通过预设规则验证后,付款才会进入最终结算流程。这意味着资金真正上链前,会多一道机器可读的审查环节。

三层凭证核验付款条件

这套机制建立在万事达 Verifiable Intent 框架之上,属于其 Agentic Commerce 计划的一部分。系统采用三层 SD-JWT 凭证结构,分别对应 L1、L2 和 L3。

  • L1:确认是谁授权付款
  • L2:确认额度或限制条件
  • L3:确认被批准的具体交易

通过这三层信息,AI 代理不再只依赖钱包控制权完成支付,而是能携带一组可验证的授权条件。这类设计主要用于降低链上交易不可逆带来的操作风险。

XRPL继续扩展AI支付场景

Verifiable Intent 并不是强制要求。未附加相关凭证的 x402 支付流程仍可照常运行。只有在交易附带完整的 L1 至 L3 凭证时,XRPL Facilitator 才会自动将其提交给 Trustline 进行验证。

今年稍早,XRPL 已引入 x402,允许 AI 代理使用 XRP 或 Ripple 推出的 RLUSD 稳定币,为 API、AI 推理、云计算、订阅等数字服务付款。此次接入万事达标准后,XRPL 的 AI 支付流程进一步向企业级场景靠拢。

RippleX 工程负责人此前还预计,未来几年 XRPL 上的代理型交易量可能从目前约 100 万笔,增至 1000 万至 1 亿笔区间。t54 此次接入的授权与风控模块,正是为这类自动化支付增长做基础设施准备。

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