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Circle Nanopayments Launches on Testnet to Power Gas-Free USDC Transfers for AI Agents

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Brian Armstrong's Bold Prediction: AI Agents Will Soon Dominate Global Financial

TLDR:

  • Circle Nanopayments enables gas-free USDC transfers as small as $0.000001, built on Circle Gateway infrastructure.
  • Batched on-chain settlement bundles thousands of transactions, with Circle covering all gas costs at the settlement layer.
  • The x402-compatible system lets agents pay merchants instantly with no account creation or credit card required.
  • A robot dog autonomously paid for its own recharging in USDC, marking a real-world agentic commerce milestone.

Circle Nanopayments is now live on testnet, enabling gas-free USDC transfers as small as $0.000001. Built on Circle Gateway, the payments primitive is designed for the emerging agentic economy.

It allows developers to build pay-per-call APIs, real-time compute billing, and machine-to-machine payment flows.

Sub-cent transactions, previously unworkable due to high gas fees, are now economically viable at scale. Circle has introduced batch on-chain settlement to remove per-transaction costs entirely for developers.

How Circle Nanopayments Solves the Sub-Cent Problem

Traditional payment rails, built decades ago, were not designed for high-frequency sub-cent transactions at agent scale. Fixed fees and overhead make ultra-small payments unworkable on legacy systems.

Even modern onchain transactions face barriers when settled individually. On low-cost blockchains, fees for a $0.0001 transfer can reach 1,000% to 5,000% of the payment amount.

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Circle Nanopayments resolves this through off-chain aggregation and batched on-chain settlement. Thousands of transactions are bundled into a single onchain batch, reducing each transaction’s gas cost to zero.

Circle covers the on-chain costs at the settlement layer. This lets agents transact nearly instantly, with settlement handled seamlessly in the background.

When an agent initiates a payment, it signs an EIP-3009 authorization message and submits it to the API. The system validates the signature and adjusts the agent’s internal ledger balance accordingly.

The merchant then receives instant confirmation and can release goods or services right away. Actual onchain settlement occurs periodically and does not interrupt the workflow.

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Circle announced the launch on X, noting the system follows the x402 standard. The x402 standard lets any agent pay any merchant without creating an account or adding a credit card.

Circle stated: “The financial rail for the agentic economy is here.” This removes sign-up friction for agents operating across multiple autonomous workflows at once.

Real-World Testing and Supported Chains

Circle Nanopayments was recently tested through a collaboration with OpenMind, an open-source robotics software developer. An autonomous robot dog used the system to pay for its own recharging in USDC.

The robot initiated payment, received near-instant confirmation, and continued operating while settlement ran in the background. This shows early-stage agentic commerce functioning effectively in a real environment.

As of February 2026, the payment system operates on the testnets of 12 blockchain networks. These include Arbitrum, Base, Ethereum, Polygon PoS, Avalanche, Optimism, Sei, Sonic, Unichain, HyperEVM, Arc, and World Chain.

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It works on any Gateway-supported EVM chain, giving developers broad flexibility. Developers can check the official documentation for the most current list of supported networks.

Use cases for this payment primitive cover pay-per-crawl search, real-time compute billing, and autonomous service marketplaces.

Each model depends on the ability to transfer fractions of a cent instantly and without gas fees. The system allows developers to build products around true sub-cent value exchange. Previously, such business models were not economically practical at this scale.

Developers can access the testnet now to build and test sub-cent payment flows in live conditions. The testnet phase gives builders time to validate applications before any mainnet deployment takes place.

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Circle has positioned this as core payments infrastructure for agentic commerce. Each payment carries programmable value with no per-transaction gas cost required from the developer.

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Strategy signals another bitcoin buy as company needs just 2% annual BTC growth to cover dividends

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Strategy signals another bitcoin buy as company needs just 2% annual BTC growth to cover dividends

Strategy co-founder Michael Saylor signaled an imminent bitcoin purchase on Sunday, posting “think bigger” alongside the company’s BTC acquisition tracker that has preceded every major buy since 2020.

The company has made 105 bitcoin purchases since it began accumulating in August 2020. Its most recent, on April 6, added 4,871 BTC for $329.8 million. Total holdings stand at 766,970 BTC acquired at a blended cost basis of $75,644, roughly $5,000 above the current market price and representing $14.5 billion in unrealized losses that Strategy disclosed in a first-quarter SEC filing.

MSTR is buying at a pace that dwarfs new supply. Strategy accumulated 46,233 BTC in March, while miners produced approximately 16,200 BTC, meaning a single company absorbed nearly three times the bitcoin that the entire global mining network generated in the same period.

Meanwhile, Saylor also disclosed that Strategy’s breakeven annual return rate on its STRC preferred equity product is approximately 2.05%. If bitcoin appreciates faster than that over time, the company can cover its preferred dividends indefinitely without issuing new MSTR shares.

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The number quantifies both the appeal and the fragility of the funding model. A 2% hurdle is low by historical bitcoin standards, but it assumes bitcoin never goes sideways or down for an extended period while the dividends keep compounding.

STRC is the mechanism that makes the buying machine run. The preferred equity product saw hundreds of millions in new inflows around its recent ex-dividend date, providing the capital for continued accumulation. Strategy keeps buying as long as investor appetite for STRC holds.

Bitcoin traded at $71,800 on Monday, according to CoinDesk data, up 7.9% on the week and holding above $70,000 for the fourth consecutive day since the Iran ceasefire was announced.

Whether Saylor’s “think bigger” translates into a purchase large enough to move the market depends on the size. At Strategy’s recent pace of 40,000-plus BTC per month, the next filing could push total holdings past 800,000 before the end of April.

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Aave DAO Grants 25M in Stablecoins to Aave Labs in Governance Vote

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Aave DAO Grants 25M in Stablecoins to Aave Labs in Governance Vote

Aave Labs, the core development team behind the Aave protocol, has been granted $25 million in stablecoins, alongside a token allocation of 75,000 AAVE by its decentralized autonomous organization (DAO) as part of the “Aave Will Win” framework. 

The vote passed Saturday with nearly 75% in favor. The stablecoin allocation will be paid in installments over 12 months, while the 75,000 AAVE tokens will vest linearly over four years, according to the governance dashboard. 

The Aave Will Win framework aims to accelerate the protocol’s growth, with the DAO funding development and Aave Labs focusing on building and scaling. The stablecoins directly fund Aave Labs’ operations, while the token allocation serves as an incentive for developers to help grow the protocol.

Other elements of the framework, including the growth and development grants tied to specific product launches and milestones, will have separate governance proposals. 

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Aave is one of the largest DeFi protocols in the industry, with its total value locked exceeding $25 billion, DeFiLlama data shows. The framework marks a major shift in funding allocation. 

The vote passed on Saturday with nearly 75% in favor. Source: Aave

Most important proposal in protocol’s history, founder says 

Following the vote, Aave founder Stani Kulechov said in an X post Saturday that Aave Will Win is the “most important proposal in Aave’s history” and it “just passed with a landslide.” 

“If you own AAVE, you own not just the economic rights of the protocol, but the brand, the users, and the integrations, he added. “This is the direction we are committing to, a multi-year journey. The foundation is set. Now it’s time to build. Aave will win.”

Source: Stani Kulechov

Under the framework, which passed on April 5, Aave Labs would shift to a DAO-funded operating model, with revenue generated by Aave products, such as Aave Pro, flowing to the DAO treasury rather than being retained by Aave Labs. 

The proposal also sought ratification of Aave V4 as the protocol’s long-term technical foundation and outlined plans for a new foundation to steward the Aave brand. Aave Labs would also focus only on Aave-related products, with the goal of streamlining operations, accelerating development and building more competitive offerings. 

“Fintechs are entering DeFi, institutions are coming on-chain, and regulatory clarity is emerging in certain markets that allows us to go directly to consumers,” Aave Labs said.

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“The protocols that win the next decade will be those that move fast, build great tools and products and capture new markets before competitors,” it added.

Proposals met with friction before 

Some community members have previously raised concerns about the size of the funding package and the inclusion of 75,000 AAVE tokens, which carry voting power, and the definition of what counts as revenue. 

Related: Chaos Labs taps out as Aave’s risk provider, decision ‘not made in haste’

The Aave Will Win framework passed a temperature check on March 1, and soon after, a major governance delegate, the Aave Chan Initiative, announced it would wind down its involvement with the DAO due to concerns about governance standards and voting dynamics during the proposal process.

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In January, another proposal to transfer control of Aave’s brand assets and intellectual property to its DAO failed, prompting debate within the Aave community over the protocol’s long-term direction and governance structure.

Magazine: Bitcoin quantum-safe without upgrade? CZ’s 2031 crypto vision: Hodler’s Digest, April 5 – 11