The stablecoin.hot blog
News, analysis and deep dives on stablecoins, chains, and AI payment protocols.
Coinbase Wires x402 Into Every Payments API—AI Agents Can Now Spend USDC at Under a Tenth of a Cent
Coinbase integrated its x402 protocol across its entire Payments API suite, enabling AI agents to autonomously spend USDC with transaction costs below $0.001.
Base MCP Gives AI Agents 13 New Onchain Skills—Including x402 Payments
Base MCP added 13 new app skills, letting AI agents trade, lend, mint NFTs, launch tokens, and settle x402 payments—expanding the surface area for autonomous onchain commerce.
MoonPay Bought an AI Accounting Startup—Here's What That Means for Stablecoin Infrastructure
MoonPay's acquisition of Entendre signals a shift from consumer payments to back-office automation, embedding AI agents that handle 93% of journal entries for stablecoin-native firms.
QuickNode's Co-Founder Says Blockchain Is the Brawn Behind Agentic AI—Not the Brain
QuickNode co-founder Auston Bunsen argues that blockchain's role in agentic AI is as a settlement and payment layer, not an intelligence layer, and that stablecoins are the critical primitive for machine-to-machine commerce.
Mastercard Wired the XRP Ledger Into Its AI Agent Payment Network—Here's How the Rails Work
Mastercard launched a payment network for AI agents and made the XRP Ledger one of its settlement rails, while Ripple connected Bitso's US-Mexico corridor, revealing the plumbing behind machine-to-machine commerce.
Visa's $7B Stablecoin Pilot Meets OpenAI—But the Merchant Side Still Runs on Fiat Rails
Visa's stablecoin settlement pilot hit a $7 billion run rate while its OpenAI partnership gives agents a tokenized credential, but the merchant endpoint remains stubbornly fiat-native.
Base's Builder Codes Turn x402 Into a Measurable Funnel for AI Agent Payments
Base launched Builder Codes for x402 apps, giving developers on-chain attribution and analytics for AI-driven payments—turning an open protocol into a trackable growth channel.
Ripple Is Hiring GenAI Engineers to Wire AI Agents Directly Into the XRP Ledger
Ripple is recruiting generative AI staff as the XRP Ledger activates native payment support for autonomous agents, signaling a strategic bet on machine-to-machine commerce.
Tether's Co-Founder Wants You to Earn Yield on Stablecoins—But the Model Has a Catch
Reeve Collins says stablecoin users should share in reserve earnings, but distributing yield turns a dollar-pegged token into a security and breaks the core utility of a payment rail.
Visa's $7B Stablecoin Run Rate Meets Alchemy's AgentCard—Are AI Agents the Next Distribution Layer?
Visa reports a $7 billion stablecoin run rate and 160 linked card programs as Alchemy's AgentCard debuts with AI-native payments, raising the question of whether autonomous agents will become the dominant distribution channel for…
Sui's Seal MPC Gives AI Agents a Decentralized Key—But the Architecture Raises Questions
Sui launched Seal MPC on mainnet, a decentralized layer that lets AI agents manage keys and sign transactions without a single point of failure, but the design trades off speed for security in ways that matter for high-frequency agent…
Visa's OpenAI Integration Puts Stablecoin Rails Inside the Agent's Wallet—But the Merchant Side Is Still Missing
Visa's integration with OpenAI lets agents spend via Visa tokens, but the settlement path stops short of native stablecoin rails at the merchant endpoint.