The stablecoin.hot blog
News, analysis and deep dives on stablecoins, chains, and AI payment protocols.
Cloudflare's Monetization Gateway Wants AI Agents to Pay Per HTTP Request
Cloudflare's new Monetization Gateway turns HTTP responses into priced units that AI agents must pay for, introducing per-request payment rails that bypass API keys and prepaid balances in favor of challenge-response settlement.
Visa Tests AI Agents That Complete Real Purchases Via Trusted Agent Protocol
Visa is running live European pilots where AI agents move beyond product search to execute actual transactions through its Trusted Agent Protocol, marking the card network's most concrete step into agentic commerce.
Injective's MCP Server: Natural Language Meets On-Chain Execution for AI Agents
Injective's open-source Model Context Protocol server lets AI agents translate conversational instructions into signed blockchain transactions, raising questions about intent parsing reliability and transaction safety.
Visa Lays Out Its Stablecoin and AI Commerce Play for Banks and Merchants
Visa is telling banks in its CEMEA region that AI-driven payments, tokenized deposits, and stablecoin settlement are converging into a single infrastructure upgrade, signaling how the incumbent network plans to mediate rather than…
Zscaler Documents Prompt Injection Attacks That Trick AI Agents Into Sending ETH
Zscaler's ThreatLabz team has documented two prompt injection campaigns that manipulate AI agents into executing cryptocurrency payments and misclassifying malicious DeFi sites as legitimate, exposing a vulnerability that grows as agents…
ERPC Brings x402 Payments to Solana JSON-RPC: Agents Now Pay Per-Request
Solana infrastructure provider ERPC has integrated the x402 payment protocol into its JSON-RPC layer, letting AI agents pay for individual data reads and writes on mainnet using USDC without API keys or prepaid balances.
Moonbeam Migrates to Base to Build AI Agent Payment Network
Moonbeam is leaving Polkadot for Base, betting that Ethereum L2 infrastructure and Coinbase's agentic commerce stack offer a better foundation for machine-to-machine payments than its original parachain architecture.
TRON Builds AI Agent Stack: B.AI, AINFT, and an AI Fund Target Autonomous Payments
TRON is assembling a vertically integrated AI agent ecosystem with its own settlement layer, agent marketplace, and funding vehicle, betting that a high-throughput chain with deep stablecoin liquidity can capture machine-to-machine…
AI Agents Force Crypto Wallets to Rebuild Access Controls From Scratch
Session keys, scoped spending limits, and policy engines are replacing the binary sign-or-don't model as AI agents require wallets that can delegate authority without handing over private keys.
IBM Argues Tokenization Must Rebuild Financial Rails for AI Agents, Not Humans
IBM is making the case that tokenized financial infrastructure designed for human endpoints cannot serve autonomous AI agents that transact continuously, settle instantly, and operate without login screens or business-hour constraints.
OKX Launches AI Agent Marketplace Where Agents Hire and Pay Each Other
OKX has built a marketplace where autonomous AI agents discover tasks, negotiate contracts, hire other agents, and settle payments in stablecoins — but the trust and escrow architecture remains underspecified.
Cloudflare Splits AI Crawlers Into Search, Agent, and Training — Payment Gates Follow
Cloudflare's new three-category bot taxonomy isolates AI agents from scrapers and training crawlers, creating the granular control layer needed before per-request payment schemes like x402 can function at scale.