The stablecoin.hot blog
News, analysis and deep dives on stablecoins, chains, and AI payment protocols.
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.
Ripple's XRPL AI Starter Kit: Another Blockchain Chases Agent Payments
Ripple has released an XRPL AI Starter Kit so autonomous agents can transact on the XRP Ledger, but the toolkit enters a field where open payment standards like x402 and incumbent rails from Visa are already moving live.
Visa's European AI-Agent Payment Pilots Go Live With ING and Worldline
Visa has moved AI-agent payments from concept to live European merchant trials with ING and Worldline, using passkey-based authentication that could sideline stablecoin-native agent payment schemes if card rails capture the market first.
CCPayment Opens Autonomous Crypto Payments for AI Agents
CCPayment's new AI Agent Payments product lets autonomous agents hold balances and execute crypto transactions without human approval, but the architecture details are thin and the trust model raises immediate questions.
When AI Agents Buy Digital Goods by the Microsecond, Who Tracks the VAT?
EU VAT rules were built for human consumers making identifiable purchases, but agentic commerce produces thousands of sub-cent transactions across borders with no clear buyer location, and tax authorities are starting to notice.