Unverified50% confidenceReleaseExact time
A2A 1.0 added multi-tenancy, protocol negotiation, and signed Agent cards at release.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/15/2026
First Seen
Valid until: 1/13/2027
Sources
Related Entities
Related Claims
UnverifiedAgentcard completes payments using single-use virtual cards.56% similarUnverifiedThe second agent used the A2A protocol to read Dexto's agent card, encapsulated the purchase action as a task with an x402 payment attached, and paid 10 cents in USDC on the Base chain.55% similarUnverifiedAP2(Agent Payments Protocol)引入了类型化的授权委托(Mandates),包括结账委托、支付委托和签名收据51% similarUnverifiedPayment institutions such as Stripe and Visa are exploring an "Agent Payment" protocol that would allow agents to autonomously complete transactions within authorized scopes.51% similarVerifiedOAuth 2.0 Token Exchange (RFC 8693) defines a token exchange mechanism that allows a service to exchange a token it already holds for a new token applicable to downstream services.51% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1034592API
curl https://kongchang.com/api/v1/knowledge/claims/1034592MCP
get_claim(id=1034592)