The Solana Foundation has initiated a billboard campaign in San Francisco with the message, “Don’t waste time with crypto,” to highlight blockchain as an invisible infrastructure. According to NS3.AI, the advertisement directs attention to x402, a payment system designed for agentic AI applications, enabling apps or AI agents to execute small automated payments.#SolanaFoundation #Blockchain #InvisibleInfrastructure #SanFrancisco #BillboardCampaign #Crypto #AgenticAI #AutomatedPayments #NS3AI #x402 #SOL