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AIエージェント決済、MPCウォレットセキュリティ、x402マイクロペイメント、グローバル決済インフラに関する実践的な記事。
x402 Micropayments: A New Primitive for API-to-API Commerce
How x402-style payment negotiation enables pay-per-call APIs for AI agents and machine users with lower friction and better monetization.
x402 · Micropayments · API Monetization
Why MPC Wallets Are Becoming Standard for Autonomous Agents
How MPC wallets reduce key risk for AI agents and what teams should evaluate before adopting threshold signing in production.
MPC Wallet · Autonomous Agents · Wallet Security
AI Agent Payments in 2026: What Actually Matters
A practical guide to the payment capabilities AI agents need in production, from wallet custody and policy controls to micropayment rails and settlement.
AI Agent · Agent Payments · Fintech
Designing Policy Engines for AI Agent Spending
A practical framework for building policy controls that keep autonomous agent payments safe without destroying developer velocity.
Policy Engine · Risk Control · AI Agent Security
Multi-Chain Settlement for Agent Marketplaces
How to design settlement architecture for AI agent marketplaces operating across multiple chains and assets.
Multi-Chain · Settlement · Agent Marketplace
Preventing Prompt Injection from Draining Agent Wallets
A defense-in-depth approach to protect AI agent payment systems from prompt injection and tool abuse.
Prompt Injection · Wallet Security · AI Safety
Pricing Strategies for Agent-to-Agent Services
How to design pricing models for AI agent services that balance monetization, fairness, and developer adoption.
Pricing · Agent Economy · API Monetization
Observability Metrics Every Agent Payment System Should Track
The operational and business metrics that help teams scale AI agent payment infrastructure with confidence.
Observability · SRE · Payment Infrastructure
Compliance and Audit Trails for AI Agent Payments
How to build audit-ready payment workflows for AI agents with clear traceability, controls, and regulator-friendly reporting.
Compliance · Audit Trail · Governance
Building a Global Payment Agent Stack
An architecture blueprint for teams building global AI agent payment capabilities across markets, currencies, and compliance boundaries.
Global Payments · Architecture · AI Agent