Solana ad in San Francisco, CA (Solana Foundation)
What to know:
The Solana Foundation launched a San Francisco billboard campaign pointing to the x402 account, underscoring its push to position crypto as behind-the-scenes infrastructure for AI agents.
The foundation says it is becoming a leading network for “agentic payments,” with over 15M AI-driven transactions and growing adoption of the x402 micropayments standard.
Essentially, what this means is that rather than wasting your time executing transactions with crypto, which might be cumbersome and time-consuming, let your AI agents do the hard work.
The ad directs passersby to the x402 account on X, a nod to a growing push within the Solana ecosystem to position blockchain not as a consumer-facing product, but as invisible infrastructure for the next phase of the internet.
The message reflects a broader thesis the ecosystem has been advancing: that crypto’s future lies in powering an “agentic” internet, where artificial intelligence systems, not humans, initiate and execute economic activity.
At the center of that vision is x402, a new type of payment system built for the internet. In simple terms, it lets apps, websites or AI tools automatically charge small amounts of money when they’re used, without requiring logins, subscriptions or human involvement. For example, an AI agent could request data from a service, instantly pay a small fee, and receive the result in a single seamless step. The idea is to make online payments as easy and automatic as loading a webpage — especially for very small transactions that traditional payment systems struggle to handle.
This model enables so-called “agentic payments,” often involving fractions of a cent, which are difficult to support on traditional financial rails due to high fees and latency. Solana is betting that its high throughput and low transaction costs make it a natural settlement layer for this emerging economy.
The billboard’s tongue-in-cheek directive encapsulates that shift. If the technology succeeds, the argument goes, users won’t need to think about crypto at all.
“Crypto and Solana are well on their way to being the default way AI pays,” a Solana Foundation spokesperson said, adding that agents will gravitate toward networks where “performance wins.”
Most crypto privacy models weaken as blockchain data grows. Encryption-based models like Zcash strengthen. CoinDesk Research maps the five privacy approaches and examines the widening gap.
Why it matters:
As blockchain adoption scales, the metadata available to machine learning models scales with it. Obfuscation-based privacy approaches are structurally degrading as a result. This report provides a comprehensive comparison of all five major crypto privacy architectures and a framework for evaluating which models remain durable as AI capabilities improve.
The asset manager’s research arm argues the technical path to quantum-safe blockchains is clear but reaching consensus on protocol changes, especially what to do with Satoshi’s coins, is the real obstacle.
What to know:
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