This article breaks down the deAI stack into three layers: X402 for payments, ERC 8004 for service discovery, and A2A for agent communication. It explains how these components interact to enable transactions and data exchange among AI agents.

Coinbase has updated its stablecoin-based payments protocol for AI agents, now called x402 V2. This version introduces features like wallet-based identity and dynamic payment recipients, making it easier for developers to integrate the system into existing services.

The Universal Commerce Protocol (UCP) is an open-source standard designed to streamline online commerce interactions between consumers, businesses, and payment providers. It simplifies integration and enhances security while allowing businesses to customize their checkout experiences. UCP aims to eliminate the complexities of traditional commerce systems and support a seamless buying process.

The article discusses Coinbase's Commerce Payments Protocol, which allows funds to be held in an "Escrow" before being transferred to merchants. It features an "Operator" that can be an advanced smart contract, enabling companies like Visa and Mastercard to create their own systems under these rules.

Visa has launched the Trusted Agent Protocol to facilitate secure AI-driven transactions for users and merchants, addressing the challenges of agent-driven commerce. Developed in collaboration with Cloudfare, the protocol aims to distinguish trusted AI agents from malicious entities, enhancing trust in AI-initiated payments. Visa is collaborating with various partners to ensure seamless and secure transactions in the evolving landscape of AI commerce.

Google has introduced the Agent Payments Protocol (AP2), an open protocol designed to facilitate secure agent-led payments across various platforms, addressing the unique challenges posed by AI agents in commerce. Developed in collaboration with over 60 organizations, AP2 establishes a payment-agnostic framework that enhances authorization, authenticity, and accountability for transactions initiated by AI agents, supporting diverse payment methods including cryptocurrencies. The protocol aims to create a unified and secure ecosystem for AI-driven commerce while inviting further collaboration from the industry.

A new Bitcoin protocol has been introduced that simplifies the process of making payments, enhancing the user experience for transactions. This update aims to streamline operations and reduce the complexity associated with Bitcoin payments, potentially increasing adoption among users and merchants alike.