Pimlico
ERC-4337 account abstraction infra
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About Pimlico
Pimlico is a crypto infrastructure provider focused on account abstraction (ERC-4337), offering two core services: a bundler network that executes smart account transactions, and a paymaster service that sponsors gas fees on behalf of applications. Its main value proposition is allowing users to transact without holding native tokens for gas, while letting developers pay fees in ERC-20 tokens like USDC or set custom sponsorship policies.
The market pain point Pimlico addresses is the friction of gas payments, which has historically forced new users to acquire, bridge, and manage native tokens before using any dApp. By abstracting this away, Pimlico enables smoother onboarding and higher conversion rates for wallet and application developers.
Its competitive edge lies in production reliability: the platform has processed over 250 million transactions across 100+ chains, with sub-2-second inclusion times on L2s. Pimlico also supports EIP-7702, allowing existing EOA users to benefit from gasless transactions without migrating to new smart contract wallets, which is crucial for large incumbent wallets with established user bases.
In the past six months (Feb-Aug 2026), Pimlico has expanded its EIP-7702 support to more wallet providers, improved its parallel processing capabilities for higher throughput, and strengthened its enterprise offerings with SOC 2 compliance and custom SLAs. The company has also deepened integrations with major wallets like MetaMask, Safe, and Trust Wallet, and continued to maintain its position as a core infrastructure layer for the ERC-4337 ecosystem. No significant negative events were publicly reported during this period.
Pimlico, a leading account abstraction infrastructure provider, has reached several milestones with long-term significance. In 2023, the company secured a $4.2 million seed round led by a16z crypto, marking a pivotal endorsement of ERC-4337 smart account technology. This funding enabled Pimlico to scale its bundler and paymaster services, which now process over 1 million transactions monthly across six EVM chains. Another key node was the deployment of its open-source bundler, Alto, which became the backbone for ERC-4337 adoption, reducing entry barriers for developers. Additionally, Pimlico's security audit with Nethermind in 2023 strengthened its infrastructure, ensuring zero incidents since mainnet launch. These developments underscore Pimlico's role in making account abstraction practical and secure, driving the shift toward user-friendly Web3 wallets and applications.
In the past six months (2026-03-03 to 2026-09-03), Pimlico's key progress: 1) Scaled transaction infrastructure: open-source Alto bundler has processed 250M+ real transactions, permissionless.js exceeds 100k weekly downloads, supports 100+ chains with <2s L2 inclusion; 2) Launched Boosted Sponsorships, removing sponsorship from the hot path, making user operations 34–43% faster end-to-end with monthly invoice gas settlement; 3) Added EIP-7702 support, letting existing EOAs gain smart account capabilities and sponsored gas without migration; 4) Expanded stablecoin settlement and AI agent execution, supporting gas payments in USDC/USDT and 300+ tokens, plus SOC 2 certified enterprise infrastructure. Official future focus: on-demand onchain execution for AI agents, stablecoin settlement, ecosystem gas programs and enterprise chain deployments, continuing to drive account abstraction as co-authors of ERC-4337/7677/7679.
Pimlico's key team members include:
Kristof Gazso: Founder & CEO. Previously worked at Nethermind and Ethereum. LinkedIn: https://www.linkedin.com/in/kristofgazso/?originalSubdomain=uk, Twitter: https://x.com/kristofgazso
plusminushalf (pseudonym): Founding Engineer. Co-author of ERC-7679, contributor to ERC-4337 infrastructure, and co-founder of Proton Labs. Twitter: https://x.com/plusminushalf
mouseless (pseudonym): Core Contributor. Active in Pimlico's development. Twitter: https://x.com/0xmouseless